Service difficulty reports (selected listings)
Contents
1. F l l a AIRWORTHINESS PULL OUT SECTION 809NV A IN VS4 Boeing 767336 Power distribution system relay high temperature Ref 510006238 Load shed relay K2092 and wire W1046 60 12 overheated at terminal lug A3 Heatshrink darkened and lug damaged P No HTC7NO60 Boeing 767338ER Flight compartment window opened Ref 510006427 Air noise from First Officer s No 2 window Window popped open Investigation continuing 1 similar occurrence Boeing 767338ER Galley insulation odour Ref 510006164 Burning smell in cabin Investigation could not find any cause for the smell Suspect smell came from glue sealant used for recent fitment of LH traymobile Boeing 767338ER Galley wiring damaged Ref 510006150 Forward galley stowage box panel fell off and damaged wiring for the bar work deck light located at the rear of compartment 204 Damaged wire caused electrical shocks from forward galley stowage latches Investigation continuing Bombardier DHC8102 Galley station system sparking Ref 510006261 During flight the cabin attendant pushed a metal coffee container to the back of the cupboard on the RHS of the urns and then noticed a bluish spark in the cupboard Reported it to the captain The captain then noticed the buffet CB had popped Galley was removed by engineers and a full wiring inspection was carried out with nil faults found suspect spark was caused by static electricity Bombardier DHC8102 Starte2. Note Occurrence figures based on data received over the past five years Service Difficulty Reports TO REPORT URGENT DEFECTS cALL 131 757 Fax 02 6217 1920 GD my 3 7 Australian Government Civil Aviation Safety Authority Online www casa gov au airworth sdr www casa gov au or contact your local CASA Airworthiness Inspector freepost Service Difficulty Reports Reply Paid 2005 CASA Canberra ACT 2601 APPROVED AIRWORTHINESS DIRECTIVES 3 July 2008 Aircraft General AD GENERAL 53 Flight Data Recorder Underwater Locating Device Installation CANCELLED AD GENERAL 58 Voice Recorders Attachment of Reflective Strips CANCELLED Part 39 105 Lighter Than Air There are no amendments to Part 39 105 Lighter than Air this issue Part 39 105 Rotorcraft Bell Helicopter Textron 205 Series Helicopters AD BELL 205 74 Tail Rotor Blades 2 Bell Helicopter Textron Canada BHTC 206 amp Agusta Bell 206 Series Helicopters AD BELL 206 172 Amdt 1 Power Turbine RPM Steady State Operation Avoidance Bell Helicopter Textron 212 Series Helicopters AD BELL 212 69 Tail Rotor Blades 2 Bell Helicopter Textron Canada BHTC 222 Series Helicopters AD BELL 222 31 Amdt 2 Tail Rotor Blade Bell Helicopter Textron 412 Series Helicopters AD BELL 412 55 Tail Rotor Blades 2 Bell Helicopter Textron Canada BHTC 430 Series Helicopters AD BELL 430 1 Amdt 4 Tail Rotor Blade Eurocopter BO 105 Serie
3. Fuel Systems AD B747 379 Airworthiness Limitations amp Inspections Fuel Tank Systems Boeing 767 Series Aeroplanes AD B767 242 Airworthiness Limitations and Inspections Fuel Systems Bombardier Canadair CL 600 Challenger Series Aeroplanes AD CL 600 99 Fuel Tank Climb Vent Loop AD CL 600 100 Fuel Tube Coupling Electrical Bonding Bombardier Boeing Canada De Havilland DHC 8 Series Aeroplanes AD DHC 8 141 Amdt 1 Elevator Centering Torsion Springs British Aerospace BAe 146 Series Aeroplanes AD BAe 146 116 Amdt 1 Fuselage Door Frames Dornier 328 Series Aeroplanes AD DO 328 71 Wing Lower Inner Panel Embraer ERJ 190 Series Aeroplanes AD ERJ 190 10 Ram Air Turbine Deployment AD ERJ 190 11 Hydraulic Tube Clamps in the Fuel Tanks AD ERJ 190 12 Hydraulic Shutoff Valves AD ERJ 190 13 Cargo Doors Fokker F100 F28 Mk 100 Series Aeroplanes AD F100 21 Amdt 1 Reverse Thrust Control Maximum Detent AD F100 73 Amdt 1 Wing to Fuselage Fairings AD F100 88 Engine Controls Reverse Thrust Control Normal Maximum Second Detent Part 39 106 Piston Engines Rotax Piston Engines AD ROTAX 22 Amdt 1 Camshaft Hydraulic Tappet Wear SMA Piston Engines AD SMA 4 Air Inlet Manifold Hose Clamps Part 39 106 Turbine Engines Turbomeca Turbine Engines Arriel Series AD ARRIEL 29 Low Fuel Pressure Switch Part 39 107 Equipment Fuel Supply and Metering Equipment AD FSM 31 Amdt 1 Precision Airmoti
4. ancillary structure around RH main landing gear Investigation continuing 18 similar occurrences Boeing 7378BK Brake seized Ref 510006259 No 3 brake seized on taxi for departure 5 similar occurrences Boeing 7378FE Rudder feel spring failed Ref 510006153 Rudder feel and centering unit inner spring failed in several places Investigation found that the suspected cause of the spring failures was likely a manufacturing discrepancy in the wire used for a specific lot of the PNo 69 57907 3 springs P No 69579073 Boeing 737BBJ APU odour Ref 510006272 Oil smell detected in cabin Initial investigation found that the APU was leaking oil at the load compressor via the witness drain Investigation continuing Aircraft is RAAF owned Boeing 747 Main landing gear attachment strut failed Ref 510006277 Main landing gear RH body landing gear side brace sheared Further inspection found section of side brace missing approx half diameter of brace and about 25mm 1in wide A heavier than normal landing had been reported by crew Foreign registered aircraft Boeing 747338 Battery suspect faulty smoke fumes Ref 510006165 Smoke and fumes from area of main battery Investigation found excessive heat in battery area Battery and charger removed for further investigation 1 similar occurrence Boeing 747338 Passenger compartment window outer pane shattered Ref 510006112 Passenger compartment window outer pane shattered into s
5. hours Sikorsky S76A Engine starter generator failed Ref 510006381 No 2 engine starter generator failed Drive spline failed P No 23081043 TSN 320 hours 23 months TSO 254 hours 5 months PISTON ENGINES Continental 10520F Engine cylinder head cracked Ref 510006265 No 3 cylinder ECI head cracked approx 25 per cent of the circumference located at the seventh fin found during visual inspection at 50 hourly P No AEC631397 TSN 334 hours 2 similar occurrences Continental 10520F Magneto faulty Ref 510006268 During cruise the engine started surging 100 rpm and continued for a few minutes Pilot felt surging as well as the engine tacho indicated a surge The CSU was replaced due to control linkage wear Engine ground run carried out RH magneto intermittently ran rough dead RH magneto replaced Ground runs carried out satisfactory P No 103493505 TSO 781 hours 1 similar occurrence Continental 10520L Engine thrust washer incorrect assy Ref 510006256 During a scheduled periodic inspection abnormal oil leaks were found coming from the forward end of the engine sump s gasket Engine was removed to replace gasket Upon removal a thrust washer was found at the bottom of the sump The engine had recently been overhauled Personnel maintenance error TSO 167 hours 8 months Jabiru 2200J Engine crankshaft broken Ref 510006416 Crankshaft broken in area located between No 1 and No 2 journals Furthe
6. of Fairleads Modification amp Inspection CANCELLED AD PA 28 8 Rudder Trim Installation CANCELLED AD PA 28 10 Centre Safety Belt Attachment Inspection CANCELLED AD PA 28 18 Wing Rear Spar Attachment Bolts Inspection CANCELLED AD PA 28 24 Control Wheel Retaining Pin Modification CANCELLED AD PA 28 30 Engine Mount Tubes Inspection CANCELLED AD PA 28 31 Seat Frame Modification CANCELLED AD PA 28 36 Stabilator Hinge Attaching Bolts Inspection CANCELLED AD PA 28 39 Stabilator Inspection and Drilling of Drain Holes CANCELLED AD PA 28 43 Rudder Bar Assembly Inspection and Modification CANCELLED AD PA 28 44 Rear Seat Belt Attachment Modification CANCELLED AD PA 28 45 Gross Weight Reduction CANCELLED AD PA 28 46 Wing Reinforcement Modification CANCELLED AD PA 28 48 Outer Wing Spar Inspection CANCELLED AD PA 28 49 Air Conditioning System Modification CANCELLED AD PA 28 51 Aileron Centring Cable Inspection CANCELLED AD PA 28 55 Fuel Valve Replacement CANCELLED AD PA 28 67 Electric Pitch Trim Switch Modification CANCELLED AD PA 28 69 Engine Cowling Drain Hole Provision CANCELLED AD PA 28 71 Nose Landing Gear Down Lock Modification or Replacement CANCELLED AD PA 28 73 Hose Assembly Inspection and Modification CANCELLED AD PA 28 74 Fuel and Vapour Return Lines Modification CANCELLED AD PA 28 81 Fuel Fi
7. was leaking Investigation also found that the bracket holding the pipe fitting had not been reattached to the wall following a previous investigation for water leakage approximately a week earlier Boeing 747438 Strut inboard mid pivot bolt incorrectly fitted Ref 510006103 No 4 strut inboard mid pivot bolt incorrectly fitted Investigation found the bolt fitted with the anti rotation slot on the diagonal Correct orientation is with the anti rotational slot in the vertical position Found during inspection iaw El 747 054 0096R2 Boeing 767336 Aircraft vibration Ref 510006099 Severe vibration after take off Initial investigation could find no definitive cause Investigation continuing Boeing 767336 Fuel tank contaminated Ref 510006113 LH fuel tank contaminated Tank contained approximately 4 5 litres of an unknown liquid located around the rib corners Investigation continuing Boeing 767336 Galley drain blocked Ref 510006380 Forward galley drain blocked Water damage ingress into electronic racks E1 and E2 Investigation continuing Boeing 767336 Hydraulic bay access door missing Ref 510006098 Centre hydraulic bay access door 194BL missing Door found on runway Investigation continuing P No 1451861612 Boeing 767336 Pneumatic distribution system duct separated Ref 510006245 Left hand wing bleed duct separated and damaged at wing root area fumes smelt throughout cabin and flight deck z m S LLI N m
8. 10006146 Stabiliser trim actuator unserviceable P No 65130008 TSN 52 890 hours 4 115 cycles TSO 556 hours 241 cycles 12 similar occurrences Boeing 737476 Cockpit odour electrical burning smell Ref 510006279 Electrical burning smell in cockpit during climb disappearing during cruise Flight crew reported that smell was strongest near overhead P5 panel Burning smell could not be duplicated during high engine power run Galley ovens and equipment run without burning smell Window heat pitot probes etc run without burning smell Window heat control unit and engine wing anti ice control panel replaced Boeing 737476 Generation system faulty Ref 510006185 Standby power failure warning during takeoff Investigation could find no fault but relays R330 and R37 changed Boeing 737476 Generation system panel faulty Ref 510006187 Bus protection panel faulty P No 915F2134 TSN 54 839 hours TSO 5 377 hours 1 similar occurrence Boeing 737476 Stabiliser trim switch faulty Ref 510006405 Stabiliser trim switches 132 and 546 faulty P No 32EN614 Boeing 737476 Wing skin cracked Ref 510006184 Lower wing skin cracked from LH centre tank boost pump cutout Crack length approximately 38 1mm 1 5in Further investigation found the point of origin for the crack was the end radius of a corrosion repair 2 similar occurrences Boeing 73776N Passenger seat saddle cracked Ref 510006210 Passenger seat saddles P
9. 1923 TSN 2 409 hours 1 similar occurrence Eurocopter AS365N Tail rotor blade bushes worn Ref 510006329 Suspect tail rotor blade bushes worn causing high frequency vibration Tail rotor fairing PNo 365A33 3543 00 cracked as a result Investigation continuing TSN 206 hours 8 months Kawasaki KH4BELL47G3B Cooling fan blades separated Ref 510006147 Engine cooling fan blades 3off separated Investigation found the fan failed due to fatigue in multiple areas Some areas contained corrosion pitting Robinson R22 Engine transmission coupling drive belt damaged Ref 510006140 R22 drive belts damaged Belts flex open slightly at diagonal join Mark on inside of belts in corresponding area Marks appear to be tool marks from manufacture TSN 219 hours 19 similar occurrences Robinson R44 Main rotor head bearing worn Ref 510006206 Main rotor hub bearing PNo C648 3 and journal PNo C106 5 badly worn Main rotor hub scored and fretted P No C6483 TSN 964 hours Robinson R44 Engine transmission coupling drive belt damaged Ref 510006326 Engine to transmission rear drive belt damaged The forward part of the belt rolled upside down due to the under band tearing P No A1903 TSN 287 hours 11 months 1 similar occurrence Schweizer 269C Drive belt assembly support strut cracked Ref 510006217 photo below Lower drive belt assembly support strut cracked approximately half way through the tube P No 269A54239 TSN 118
10. CH 90 13 Fuel Heater System Shield Modification CANCELLED AD BEECH 90 17 Engine Fire Extinguisher System Modification CANCELLED AD BEECH 90 18 Rudder Control System Inspection CANCELLED AD BEECH 90 24 Fuel Vent Heater Wiring Inspection CANCELLED AD BEECH 90 26 Outer Wing Electrical Wiring Inspection CANCELLED AD BEECH 90 33 Magnetic Material Near Compass Flux Valve Removal CANCELLED AD BEECH 90 35 Flap Gearbox Inspection of Gears CANCELLED AD BEECH 90 37 Elevator and Rudder Trim Tab Actuator Systems Inspection CANCELLED AD BEECH 90 54 Aft and Nose Hinged Baggage Door Latching Inspection and Modification CANCELLED AD BEECH 90 59 Elevator Control Horn Attachment Modification CANCELLED AD BEECH 90 60 Left Hand Rudder Cable Installation Inspection CANCELLED AD BEECH 90 61 Pilot and Co Pilot Seatback Pan Modification CANCELLED Beechcraft 200 Super King Air Series Aeroplanes AD BEECH 200 75 Tail De icing Pneumatic Supply Tubes Cessna 170 172 F172 FR172 and 175 Series Aeroplanes AD CESSNA 170 83 Alternate Static Air Source Valve Cessna 180 182 and Wren 460 Series Aeroplanes AD CESSNA 180 2 Right Wing Rear Spar CANCELLED AD CESSNA 180 16 Safety Harness Inertia Reel CANCELLED AD CESSNA 180 22 Tail Wheel Steering Bellcrank CANCELLED AD CESSNA 180 28 Amdt 1 Aileron Mass Balance Weight Attachment Rivets CANCELLED AD CESSNA 180 35 Re
11. H 76 15 Woodward Governor Models L and R 210652 CANCELLED AD BEECH 76 16 Amdt 1 MLG Side Brace Overcentre Travel and Limit Switch CANCELLED AD BEECH 76 17 Wing Lower and Upper Splice Plate Bolt Installation CANCELLED Beechcraft 77 Skipper Series Aeroplanes AD BEECH 77 4 Elevator Control Arm Bushings CANCELLED AD BEECH 77 5 Control Column Installation CANCELLED AD BEECH 77 8 Horizontal Stabiliser Attach Bolts CANCELLED AD BEECH 77 9 Nose Landing Gear Axle CANCELLED AD BEECH 77 10 Nose Landing Gear Attachment Bolts CANCELLED AD BEECH 77 12 Engine Mount Assembly and Engine Control Linkage CANCELLED AD BEECH 77 13 Engine Control Rod Safety Washers CANCELLED AD BEECH 77 15 Amdt 1 Alternator System CANCELLED Beechcraft 90 and 65 90 King Air Series Aeroplanes AD BEECH 90 1 Engine Oil Pressure Gauges Modification CANCELLED AD BEECH 90 2 Firewall Fuel Shut Off Valve Switches Modification CANCELLED AD BEECH 90 3 Amdt 1 Tail Unit Inspection CANCELLED AD BEECH 90 4 Amdt 3 Landing Gear Actuators Inspection CANCELLED AD BEECH 90 5 Amdt 1 Landing Gear Chain and Torque Shaft Inspection CANCELLED AD BEECH 90 6 Fuel Line Modification CANCELLED AD BEECH 90 10 Standby Compass Deviation Placard Installation CANCELLED AD BEECH 90 11 Generator Operation Placard Installation CANCELLED AD BEECH 90 12 Ammeter Lead Circuit Protection CANCELLED AD BEE
12. No 847367 723 and PNo 847367 725 cracked along welded seams 30 similar occurrences Boeing 73776N Spoiler position sensing wiring loom worn Ref 510006177 Spoiler position sensing wiring chaffing on landing gear support link assembly Wires W1002 3011B 20 and W1002 3002B 20 found damaged down through the outer cable shield and into the inner conductor Subsequent damage was also noted on the link assembly Wiring is clamped off the fire extinguisher line 1 similar occurrence Boeing 737708 Tyre FOD Ref 510006273 On take off roll passing through 90kts No 2 main wheel ran over an object on runway and tyre failed take off rejected FOD P No 277A6000206 3 similar occurrences Boeing 737838 Stabiliser actuator failed Ref 510006144 Stabiliser trim actuator failed Trim switch also faulty P No 6355B000103 12 similar occurrences Boeing 737838 Trailing edge flap control system bolt loose Ref 510006429 Flap system pulley bracket assemblies WFA 1 and WFB 1 had pulley attachment bolts not in safety Threads were partially engaged through the anchor nuts Investigation also found both pulleys had approximately 6 35mm 0 25in gap at the aft end of the brackets and 9 525mm 0 375in at the forward ends of the bracket Found during incorporation of El N37 27 59R2 1 similar occurrence Boeing 737838 Tyre tread separation Ref 510006360 RH main landing gear tyre tread separated Investigation found significant damage to
13. SELECTED SERVICE DIFFICULTY REPORTS 1 April 2008 31 May 2008 AIRCRAFT ABOVE 5700KG Airbus A320232 Landing gear outboard lockstay actuator hose ruptured Ref 510006306 RH main landing gear outboard lockstay actuator hydraulic hose failed at upper swivel fitting Loss of Green system hydraulic fluid P No 201655147 TSN 8 471 hours 4 834 cycles TSO 8 471 hours 4 834 cycles 1 similar occurrence Airbus A320232 Trailing edge flap system connector separated Ref 510006386 Trailing edge flap monitoring system 2 disconnect sensor wiring connector 7502VC had broken wires and disconnected back shell P No 7502VC TSN 1 684 hours 890 cycles Airbus A330203 Cabin cooling system control valve faulty Ref 510006278 On application of take off thrust with a packs off take off ECAN message Engine thrust loss and Abnormal bleed on pack was displayed Take off was rejected at 30kts Flight crew stated No1 pack did not turn off when selected off No1 pack flow control and SOV replaced Airbus A330203 Fuel tank FOD Ref 510006291 During fuelling the overfill light illuminated with 1500kgs in LH outer tank When accessing the LH wing outer tank via panel 542AB to change the vent float valve for the problem of fuel spillage into surge tank a foreign object was found Personnel maintenance error Airbus A330303 Fuel storage nut loose Ref 510006394 Trim tank lateral box dome nuts rotating Found during trouble
14. ain spar webs found chafed from incorrect assembly of bolt PNo NAS464P5A15 attaching the outboard push pull tube assemblies PNo 5045213 3 to the torque tube assemblies PNo 5045010 24 and PNo 5045010 25 Bolts were found installed with their heads aft causing the ends of the bolts to chafe into the spar web during gear retraction and extension Factory installed placards stating SEE SERVICE MANUAL FOR BOLT HEAD DIRECTION were missing from the spar webs in the main landing gear wheel bays adjacent to the torque tubes P No NAS464P5A15 1 similar occurrence Cessna 401A Elevator cable worn and damaged Ref 510006301 Elevator forward cable not routed around bellcrank located behind instrument panel Found during first inspection following major work on the tail P No 50000086 Cessna 402C Hydraulic quantity indicator sight glass split Ref 510006219 Hydraulic reservoir sight tube split at lower attachment clamp and ran for the full length of the tube Leaking fluid resulted in a suspected fire and subsequent emergency landing No evidence of fire was found Damage caused during landing Suspect sight tube reacted with Mil H 5606 hydraulic fluid P No 511700712 2 similar occurrences Cessna 404 Hydraulic pipe failed Ref 510006172 Metal hydraulic pipe failed Loss of hydraulic fluid 1 similar occurrence Cessna 404 Hydraulic pipe failed Ref 510006266 After retraction 5 10 seconds hydraulic flow lights illuminated Sele
15. and Battery Relay Covers Installation CANCELLED AD BEECH 65 27 Amdt 1 Fuel Vent Heater Wiring CANCELLED AD BEECH 65 29 Amdt 1 Outer Wing Electrical Wiring CANCELLED AD BEECH 65 35 Amdt 1 Port Inner Wing Electrical Wiring CANCELLED AD BEECH 65 36 Amdt 1 Exhaust Augmenter Clamps CANCELLED AD BEECH 65 37 Electrothermal Deice Firewall Connector Sealing CANCELLED AD BEECH 65 41 Fuel System Placards CANCELLED AD BEECH 65 44 Flap Gearbox Inspection of Gears CANCELLED AD BEECH 65 52 Landing Gear Torque Tube Inspection and Replacement CANCELLED AD BEECH 65 53 Amdt 1 Rudder and Elevator Trim Tab Systems CANCELLED AD BEECH 65 54 Amdt 2 Aft and Nose Hinged Baggage Door Latching CANCELLED AD BEECH 65 55 Amdt 1 Nose Baggage Compartment Door CANCELLED AD BEECH 65 58 Amdt 3 Fuel Boost Pumps CANCELLED AD BEECH 65 59 Amdt 1 Elevators CANCELLED AD BEECH 65 60 Amdt 1 Ansair Passenger Seats CANCELLED Beechcraft 76 Duchess Series Aeroplanes AD BEECH 76 1 Control Bearing Assemblies CANCELLED AD BEECH 76 2 Cowl Flap Hinge Assemblies CANCELLED AD BEECH 76 3 Elevator Trailing Edge Bond CANCELLED AD BEECH 76 4 Fuel Tank Outlet Check Valve and Fuel Selector Valves CANCELLED AD BEECH 76 6 Wing Spar Centre Splice Plates CANCELLED AD BEECH 76 13 Rudder Torque Lower Hinge Adaptor CANCELLED AD BEECH 76 14 Engine Control Rod Safety Washers CANCELLED AD BEEC
16. and Colt Series Aeroplanes AD PA 22 4 Nose Wheel Mount Stiffener Brace CANCELLED AD PA 22 5 Rivets in Aileron Hinge Bearing Blocks Inspection CANCELLED AD PA 22 16 Tail Brace Clevises Replacement CANCELLED AD PA 22 17 Cabin Heater Box Plate Modification CANCELLED AD PA 22 18 Horizontal Stabiliser Trim Control Screw Mechanism Stop Installation CANCELLED AD PA 22 21 Landing Gear Fairing Modification CANCELLED AD PA 22 22 Rudder Pedals Modification CANCELLED AD PA 22 34 Shimmy Damper CANCELLED Piper PA 23 Apache and Aztec Series Aeroplanes AD PA 23 1 Flap Spar and Stabiliser Spar Reinforcement CANCELLED AD PA 23 3 Main Landing Gear Forgings and Wheels Replacement CANCELLED AD PA 23 5 Main Landing Gear Attachment Points Modification CANCELLED AD PA 23 14 Rudder Trim Tab Control Rod Inspection CANCELLED AD PA 23 19 Elevator Control Tube Bellcrank Attachment Modification CANCELLED AD PA 23 20 Stabilator Tab Horn Modification CANCELLED AD PA 23 23 Rudder Tab Horn Bolt Replacement CANCELLED AD PA 23 24 Stabilator Tab Horn Inspection CANCELLED AD PA 23 27 Wing Flaps Inspection and Modification CANCELLED AD PA 23 31 Amdt 1 Rudder Trim Tab Control Rod Inspection AD PA 23 32 Amdt 2 Cabin Door Latch Modification CANCELLED Piper PA 28 Series Aeroplanes AD PA 28 2 Rudder amp Stabilator Control Cables Installation
17. ar Seat Attachment CANCELLED AD CESSNA 180 40 Amdt 1 Main Gear Wheel Assemblies CANCELLED AD CESSNA 180 50 Elevator Control Travel CANCELLED AD CESSNA 180 52 Nose Gear Drag Strut Attach Fitting CANCELLED AD CESSNA 180 53 Steering Bungee Boot CANCELLED AD CESSNA 180 57 Fuel Hose CANCELLED AD CESSNA 180 58 Fuel Tank Filler Neck CANCELLED AD CESSNA 180 64 Nose Gear Tunnel Access Hole Plug Button CANCELLED AD CESSNA 180 65 Cylinder Head Temperature Probe CANCELLED AD CESSNA 180 66 King KFC 200 Flight Control System CANCELLED AD CESSNA 180 93 Alternate Static Air Source Valve Cessna 185 Series Aeroplanes AD CESSNA 185 4 Tail Wheel Assembly CANCELLED AD CESSNA 185 5 Inertia Reel CANCELLED AD CESSNA 185 9 Amdt 1 Rudder Bellcrank Bracket CANCELLED AD CESSNA 185 10 Tail Wheel Steering Bellcrank CANCELLED AD CESSNA 185 11 Non Return Valves in Electric Fuel Pump Bypass Line CANCELLED AD CESSNA 185 14 Amdt 1 Carburettor Air Box Shaft CANCELLED AD CESSNA 185 16 Amdt 1 Aileron Mass Balance Weight Attachment Rivets CANCELLED AD CESSNA 185 20 Main Gear Wheel Assemblies CANCELLED AD CESSNA 185 23 Throttle Mixture Control Cable Attachment CANCELLED AD CESSNA 185 24 Fuel and Oil Leaks CANCELLED AD CESSNA 185 26 Fuel Line CANCELLED AD CESSNA 185 27 Self Locking Nuts CANCELLED AD CESSNA 185 31 Fuel Tank Filler Neck CANCELLED AD CESSNA 185 38 Amdt 1 Rud
18. aw SB 190 26 A007 P No 446713 2 similar occurrences Fokker F27MK50 Pneumatic distribution system sense line missing Ref 510006198 Bleed pressure sense line missing Line had been removed due to corrosion and system blanked off It was thought that the line was only used to service the wing anti ice boots during maintenance when engine bleed air was not available It was found that the sense line also provided vacuum air to the primary outflow valve for operation of that valve The valve subsequently remained closed and with the APU running and providing bleed air to the aircraft a pressure differential developed which forced the aircraft door open when the door was unlocked Fokker F28MKO0100 Nose landing gear cracked Ref 510006411 Nose landing gear contained two cracks located one on either side of the main fitting Crack dimensions were 3 6mm by 14 5mm 0 144in by 0 573in and 2 5mm by 7 62mm 0 100in by 0 300in Following removal of the paint for more detailed inspection a number of further cracks were found Investigation continuing TSN 24 598 cycles TSO 4 636 cycles AIRCRAFT BELOW 5700KG B amp B Aviation 7GCBC Elevator cable failed Ref 510006377 Elevator cable failed Suspect faulty material P No 31072 TSN 2 904 hours TSO 2 904 hours Beech 200 Hydraulic power pack faulty Ref 510006163 Hydraulic powerpack faulty Following the failure of the landing gear to extend it was found that the leads to
19. cted gear down but only two greens illuminated manual gear blow down completed satisfactorily and landed OK Investigation found a hydraulic pipe located in the wing s leading edge had failed at the bend radius 1 similar occurrence Cessna 404 Main landing gear pivot trunnion pin not properly installed Ref 510006340 RH main landing gear separated from aircraft RH wing and propeller impacted ground Fuel cell ruptured and fuel leaked onto runway Aircraft had just completed a major inspection SID Investigation found the main pivot trunnion pin was not properly re installed following extensive SIDs maintenance P No 57411121 Cessna 441 Fuselage frame cracked Ref 510006365 photo below Fuselage frames cracked Frames located LH corner of forward door pillar and at Stn 155 76 Stn 235 75 Stn 246 00 and Stn 247 87 TSN 21 875 hours Cessna 441 Landing gear actuator malfunctioned Ref 510006284 Shortly after take off emergency pressurisation came on Aircraft returned to airfield where gear was selected down and NLG failed to lock down emergency gear extension was used Investigation found that nose gear would not lock down due to actuator internal failure Investigation continuing strip report requested Defect is related to SDR 510006285 PANG 99101393 DeHavilland DH82A Fuselage frame front vertical tube broken Ref 510006127 LH fuselage frame front vertical tube broken at the lower oil tank frame attachm
20. der Pedal Torque Tube CANCELLED AD CESSNA 185 42 Seat Rail Latch CANCELLED AD CESSNA 185 49 Alternate Static Air Source Valve Cessna 205 210 5 Series Aeroplanes AD CESSNA 205 24 Alternate Static Air Source Valve Cessna 206 Series Aeroplanes AD CESSNA 206 65 Alternate Static Air Source Valve Cessna 207 Series Aeroplanes AD CESSNA 207 39 Alternate Static Air Source Valve Cessna 208 Series Aeroplanes AD CESSNA 208 22 Alternate Static Air Source Valve Cessna 210 Series Aeroplanes AD CESSNA 210 74 Alternate Static Air Source Valve Cessna T303 Series Aeroplanes AD CESSNA 303 13 Alternate Static Air Source Valve Cessna 340 Series Aeroplanes AD CESSNA 340 15 Landing Gear Emergency Handle Replacement CANCELLED z m 5 LLI N m F l l a AIRWORTHINESS PULL OUT SECTION 809NV A IN WSa AD CESSNA 340 19 Upper Inner Cabin Door Handle and Locking Mechanism Inspection CANCELLED AD CESSNA 340 23 Elevator Balance Weight Inspection CANCELLED AD CESSNA 340 30 Amdt 1 Placards and Cabin Fittings CANCELLED Diamond DA42 Series Aeroplanes AD DA42 5 Aileron Bellcrank and Rod Ends Dornier 228 Series Aeroplanes AD DO 228 14 Nose Landing Gear Strut Support Piper PA 20 Pacer Series Aeroplanes AD PA 20 12 Fuselage Structure Upper Cabin Inspection CANCELLED AD PA 20 16 Amdt 1 Fuselage Door Frame Tube Corrosion CANCELLED Piper PA 22 Tri Pacer
21. e pressure dropped to 20psi the crew elected to shut down the engine After landing oil was found on the bottom of the cowl and fuselage Investigation found that the O ring had been cut by the dip stick bayonet allowing the oil to bypass P No 9413117 1 similar occurrence GE CF680E1 Engine fuel manifold leaking Ref 510006135 No 1 engine fuel manifold leaking Investigation found the manifold worn and holed between No1 and No 2 fuel nozzles and significant wear damage to the clamp It was then found that noTeflon tape was in place at the P clamp location Personnel maintenance error GE CF680E1 Engine tailpipe fire Ref 510006374 No 2 engine tailpipe fire Investigation found discolourisation of lower wing surface and heat damage to strut and strut panels Investigation continuing P No CF680E1 TSN 17 261 hours TSO 1 960 hours IAE V2527A5 FMU failed Ref 510006417 LH engine fuel metering unit FMU failed Investigation found the high pressure shutoff valve HPSOV solenoid pins 1 and 2 had resistance out of limits P No 8061636 TSN 13 446 hours 8 864 cycles IAE V2533A5 Thrust reverser control unit locked Ref 510006235 No 2 engine thrust reverser hydraulic control unit lockout pin installed in active position preventing thrust reverser activation When pin was removed the thrust reverser was serviceable Investigation continuing P No TY154024 TSN 19 405 hours 7 589 cycles Lycoming ALF502R5 Eng
22. el bearing grease instead of the correct gear oil P No 9581001715 TSO 2 249 hours Bell 206B3 Emergency flotation connector corroded Ref 510006205 Emergency flotation system solenoid valve electrical connector corroded Found during inspection iaw SI 206 115 P No P76 Britten Norman BN2A26 Main landing gear torque link separated Ref 510006180 LH main landing gear torque links separated Investigation found that there was no large washer under the bolt head which allowed the bolt to pull the bushing through the upper torque link lug P No AIR114080 1 similar occurrence Cessna 172RG Aircraft structure corroded Ref 510006155 Fuselage corroded in numerous areas Corrosion located in cabin roof area forward and aft carry through spars around wing attachment points and in wing attachment bolts LH and RH wing lower skins required replacement TSN 10 364 hours 1 similar occurrence Cessna 182B Landing gear outboard support cracked Ref 510006293 Main landing gear U bolts PNo 0541153 broken Further inspection also found that the LH main landing gear outboard support PNo 0541121 1 was cracked P No 05411211 1 similar occurrence Cessna 210M Main landing gear saddle pad delaminated Ref 510006318 Main landing gear soft saddle pad delaminating from saddle Suspect inadequate bonding material P No 1241630712416308 Cessna 310R Landing gear system bolt incorrectly fitted Ref 510006260 LH and RH wing m
23. ent bolt P No H29670 TSO 1 734 hours Eurocopter AS350B Engine tachometric box faulty Ref 510006313 Engine tachometric box faulty P No 717755505A TSN 4 788 hours Gippsland GA8 Horizontal stabiliser spar splice cracked Ref 510006305 Horizontal stabiliser rear spar splice cracked on the forward lower side located around the RH rear stabiliser pivot attachment bracket rear bolt Found during inspection iaw AD GA8 3 1 TSN 2 565 hours 1 similar occurrence Kavanough E120 Support pole socket broken Ref 510006282 Balloon nylon support pole socket broken at weld point of the basket s top stainless steel frame TSN 173 hours 1 similar occurrence Kawasaki BK117B2 Cargo hook incorrectly rigged Ref 510006221 Cargo hook incorrectly rigged Fire bucket and longline uncommanded release Kawasaki BK117B2 Door actuating rod cracked Ref 510006207 LH sliding door departed aircraft during approach Nil damage found to aircraft structure Investigation of the recovered door found the LH sliding door actuating rod cracked Investigation found the crack probably originated due to a pivot pin missing from the latch link and putting excess pressure on the actuating rod cam this became detached after the retaining circlip spread due to contact with the closed position catch P No 16428101 TSN 6 980 hours Pilatus PC12 Elevator tension spring fractured Ref 510006309 Elevator tension spring fractured at hook attached
24. everal pieces Window was located eight from the front on the LH side Possible impact damage to LH wing Investigation continuing Boeing 747438 Cabin cooling system fan faulty Ref 510006171 Electrical fumes in flight and cabin Chiller fan noisy Smell stopped when chiller fan turned off Investigation found the chiller fan bearing had collapsed Investigation continuing Boeing 747438 Galley floor drain scupper sealant deteriorated Ref 510006321 Galley floor drain scupper below the main drain line strainer and G1B water supply line was found to have OPS P88 deteriorated missing at mating with floor panel cutout and scupper The scupper drain screen was blocked and the splash guard PNo FU4030B16M03 damaged cracked Puddling was also identified in the forward hold bilge area BS460 LBL5 RBL5 This was deemed to come from the drain scupper located in the ceiling of the forward hold below G1B at BS530 LBL5 running forward via the ceiling panel to the top of the rear of the E1 and E2 racks at BS 460 an area that is not contained protected by the drip shield Boeing 747438 Passenger door FOD Ref 510006343 Entry door L5 contacted by catering truck causing damage to upper bustle support brackets During take off door handle moved causing EICAS message Door L5 Boeing 747438 Potable water system pipe leaking Ref 510006428 Serious water leak from upper deck galley Investigation found a metal pipe to the galley flexible hose tap
25. ged Ref 510006174 LH wing fuel tank probe shielded wires caught between the clamp supporting the fuel boost pump rigid fuel supply line and wing rib at WS 51 167 causing the plastic coating to be worn through by the shielding P No 720S TSN 19 183 hours 27 339 cycles Swearingen SA227DC Hydraulic pipe worn and damaged Ref 510006370 Rigid hydraulic pressure pipe worn and leaking Pipe is located in LH engine bay and was rubbing on an engine oil line P No 2781032777 TSN 11 294 hours 11 249 cycles 17 similar occurrences Swearingen SA227DC Landing gear brake system clamp failed Ref 510006351 Aircraft landed with LH main landing gear brakes applied causing tyres to blow Fragments of the blown tyre caused damage to the LH flap outboard foreflap and minor damage to the aft end of the LH nacelle fairing Investigation found that the brake hose P clamp failed during takeoff causing the brake hose to kink trapping the brake fluid within the brakes Heat from the brakes caused the fluid to expand and apply the brakes P No M021919D68 Tecnam P92S Substandard nuts and bolts fitted Ref 510006388 Substandard nuts and bolts used in numerous locations 1 similar occurrence ROTORCRAFT Eurocopter AS365N Main rotor head frequency adaptor debonded Ref 510006234 Main rotor head frequency adaptor 1off4 debonded beyond limits Another adapter had also debonded but was 1mm 0 039in below maximum limits P No 365A3110
26. ine fuel manifold cracked Ref 510006120 No 4 engine fire warning Engine shut down and extinguisher fired Engine windmilled for approximately 40 minutes Investigation found the RH fuel manifold cracked and leaking at weld P No 216362037 TSO 406 hours 287 cycles 3 similar occurrences PWA PT6A41 Engine compressor inlet case oil filter cap stud threads stripped thread Ref 510006393 RH engine compressor inlet case oil filter cap hold down stud threads stripped Loose stud lessened the tension on the cap allowing oil leakage TSN 5 841 hours 6 598 cycles TSO 2 926 hours 3 546 cycles PWA PT6T3B Engine accessory drive housing cracked Ref 510006413 photo below No 1 engine leaking from oil transfer tube between accessory gearbox and combining gearbox The O rings were replaced but the leak persisted Further investigation found the regulating valve attachment bolt helicoil had pulled out of the accessory gearbox and the mounting lugs on the opposite side had broken Misalignment of the oil transfer tube caused wear in the housing bore allowing oil to bypass the O rings P No 3026669 TSN 17 359 hours TSO 3 648 hours PWA PT6T3B Engine oil loss Ref 510006283 During cruise No 2 engine oil pressure warning light began flickering engine was shut down Investigation found No 2 engine oil level low and oil pooled in the exhaust duct area no external oil leaks found Engine was removed and sent to the manufacturer f
27. lter Drain Valve Replacement CANCELLED AD PA 28 82 Rudder Torque Tube Attachment Fitting and Hardware Inspection CANCELLED AD PA 28 85 Battery Strap Installation CANCELLED AD PA 28 87 Stabilator Attach Fitting Corrosion CANCELLED AD PA 28 88 Amdt 3 Aft Centre of Gravity Restriction CANCELLED Rockwell N American amp Autair Noorduyn AT 6 BC 1A SNJ T 6G Harvard amp AT 16 Series Aeroplanes AD AT 6 2 Horizontal Stabliser Rear Spar Connector Fittings Part 39 105 Above 5700 kgs Airbus Industrie A319 A320 and A321 Series Aeroplanes AD A320 224 Hydraulic Power Ram Air Turbine Georotor Pump Airbus Industrie A330 Series Aeroplanes AD A330 76 Amdt 2 Electrical Power APU Generator Inspection Airtractor 800 Series Aeroplanes AD AT 800 9 Amat 2 Engine Mount Beechcraft 300 Series Aeroplanes AD BEECH 300 22 Tail De icing Pneumatic Supply Tubes Boeing 727 Series Aeroplanes AD B727 101 Amdt 2 Rear Pressure Bulkhead Web Boeing 737 Series Aeroplanes AD B737 327 SSI Damage Tolerance Rating AD B737 328 Flight Deck Windows No 2 No 4 and No 5 AD B737 329 Airworthiness Limitations and Inspections Fuel Systems AD B737 330 Boost Pump control Relay Ground Block Corrosion AD B737 331 Airworthiness Limitations and Inspections Fuel Systems Boeing 747 Series Aeroplanes AD B747 377 Fuselage Exterior Skin at Station 488 AD B747 378 Airworthiness Limitations and Inspections
28. or investigation PWA PW123E Engine reduction gear tabwasher cracked Ref 510006352 No1 engine reduction gearbox chip detector illuminated Boroscope inspection found the No 9 bearing retaining nut locking tabwasher dislodged and the retaining nut castellation damaged TSN 2 084 hours 1 984 cycles PWA PW125B Engine reduction gear gearbox contam metal Ref 510006121 RH engine reduction gearbox chip detector contaminated with a piece of metal Initial investigation found the metal to be type 4340 steel from the gearbox bearing cage Boroscope inspection of the No 9 key washer found that two pieces had separated from the keywasher which also contained multiple cracks Investigation continuing P No 3035480 TSO 21 hours 13 cycles 2 similar occurrences Rolls Royce BR700715A130 Engine seized Ref 510006314 Fan seized during startup Approximately 150lbs to 200lbs of force freed the fan A detailed inspection of the engine could find no faults and the engine was released to continue in service P No BR715A130 Rolls Royce RB211524D4 Engine combustion liner cracked Ref 510006232 No 3 engine combustion liner cracked for approximately 50 per cent of circumference with intersecting axial cracks Found during boroscope inspection Investigation continuing P No RB211524D419 TSN 78 475 hours TSO 12 622 hours 1 similar occurrence Rolls Royce RB211524H Engine thrust reverser failed Ref 510006222 No 2 engine thrust rever
29. r generator suspect faulty Ref 510006395 No1 starter generator suspect faulty due to flickering light Ground investigation could find no faults and the aircraft was released to service with no further problems P No 23088008 Bombardier DHC8202 Hydraulic system pressure pipe holed Ref 510006166 Loss of hydraulics during taxi Investigation found No 2 pressure pipe located in the aft equipment bay contained a pin hole 2 similar occurrences Bombardier DHC8402 Cabin pressurisation failed Ref 510006358 Aircraft failed to pressurise Suspect faulty outflow valve software Investigation continuing Bombardier DHC8402 Landing gear wiring harness incorrectly manufactured Ref 510006116 Nose landing gear harnesses incorrectly manufactured Investigation found three out of six received harnesses incorrectly wired Found during inspection iaw DH8 400 SL 32 014A BAC BAE1251000 Nose wheel nut loose Ref 510006280 During take off roll vibration was felt from the nose wheel area Nose wheels inspected and found the RH nose wheel assembly retaining nut was loose with no apparent torque nut is retained by retaining plate Unit last installed in the USA prior to aircraft arrival in Australia Personnel maintenance error Embraer ERJ190100 Cargo fire extinguisher bottle discharge nozzles incorrectly fitted Ref 510006382 Cargo fire extinguisher bottle discharge nozzles incorrectly installed inverted Found during investigation i
30. r investigation using magnetic particle inspection MPI found more areas of imminent failure TSN 1 158 hours 31 months TSO 158 hours 6 months 1 similar occurrence Jabiru 2200J Engine cylinder barrel cracked Ref 510006249 During flight engine lost power and strong oil smell was evident Investigation found No 1 cylinder lower front stud broken and base of cylinder barrel cracked along flange approx 75mm 2 95in Tappets had been adjusted 17 hours prior no evidence of piston seizure Inlet valve pushrod dislodged from tappet adjuster all tappet lock nuts tight TSN 864 hours 20 months Jabiru 3300 Engine connecting rod big end bearing failed Ref 510006136 No 2 cylinder connecting rod big end bearing failed due to lack of lubrication TSN 2 hours TSO 2 hours Lycoming 10360L2A Fuel control servo leaking Ref 510006237 Fuel servo leaking Fuel residue found in venturi Fuel residue also found on air side of diaphragm P No 25765362 TSN 452 hours 12 similar occurrences Lycoming 10540AE1A5 Fuel injection servo plug loose Ref 510006117 Fuel injection servo plug loose Found during inspection iaw AD FSM 31 P No 383493 TSN 347 hours 4 similar occurrences Lycoming 10540K1A5 Engine sudden stoppage Ref 510006276 During cruise engine had an in flight stoppage Subsequent attempts to start the engine on the ground were not successful aircraft had fuel Investigation continuing 3 similar occurrence
31. s Lycoming 0320D2J Engine cylinder separated Ref 510006320 Engine cylinder head separated from barrel P No TISN41CA TSN 1 355 hours 3 similar occurrences Lycoming 0360A1A Carburettor float contaminated Ref 510006376 Carburettor float contaminated with fuel Only one compartment of the float contaminated Float is of polymer construction and is mandated for removal by Precision Airmotive SB MSA 13 z m S LLI N m F l l a AIRWORTHINESS PULL OUT SECTION 809NV A IN WSa P No 30802 TSN 1 542 hours 3 similar occurrences Lycoming 0540F1B5 Carburettor check valve seat damaged Ref 510006252 Carburettor P No 10 6035 11 was removed from engine due to hard starting and was bench tested The accelerator pump had very low output Internal inspection of the carburettor found the pump discharge check valve damaged at seating area Ineffective sealing allowed air into the system Manufacturing error P No 3491 TSN 25 hours Lycoming 0540J3C5 Engine cylinder piston pin incorrect part Ref 510006315 Piston skirts cracked Investigation found that heavyweight piston pins PNo LW14077 had been fitted to lightweight pistons PNo LW13396 TSO 1 414 hours TURBINE ENGINES Garrett TFE73120R Engine oil system O ring damaged Ref 510006244 During flight the engine oil pressure started to fluctuate and drop Engine power was brought back to idle and after a few more minutes th
32. s Helicopters AD BO 105 16 Amdt 1 Tension Torsion Strap Eurocopter SA 360 and SA 365 Dauphin Series Helicopters AD DAUPHIN 95 Main Gearbox Casing Corrosion Part 39 105 Below 5700 kgs Aerospatiale Socata TBM 700 Series Aeroplanes AD TBM 700 49 Emergency Landing Gear By pass Selector Inspection AD TBM 700 50 Alternator and Vapour Cycle Cooling System Pulley Drive Assembly Airparts NZ Ltd FU 24 Series Aeroplanes AD FU24 66 Aileron Control Cables Airtractor AT 300 400 and 500 Series Aeroplanes AD AT 22 Amdt 2 Wing Centreline Splice Joint AD AT 29 Engine Mount Airtractor 600 Series Aeroplanes AD AT 600 4 Amdt 2 Engine Mount Beechcraft 55 58 and 95 55 Baron Series Aeroplanes AD BEECH 55 3 Rudder Torque Tube CANCELLED Beechcraft 56TC Turbo Baron Series Aeroplanes AD BEECH 56 4 Nacelle Side Brace Ribs CANCELLED Beechcraft 65 and 70 Queen Air Series Aeroplanes AD BEECH 65 2 Fuel System Check Valves Installation CANCELLED AD BEECH 65 3 Nose Landing Gear Attachment Bolts Replacement CANCELLED AD BEECH 65 4 Flap Drive Assembly Replacement CANCELLED AD BEECH 65 6 Aft Facing Chair Reclining Stops Inspection CANCELLED AD BEECH 65 7 Amdt 1 Landing Gear Chain and Torque Shaft Inspection CANCELLED AD BEECH 65 8 Control Sub Panel Shelf Modification CANCELLED AD BEECH 65 9 Automatic Pilot Shutoff Valves Installation CANCELLED AD BEECH 65 13 Starter
33. ser failed to close completely Investigation found two blocker doors damaged gas generator cowl fairing damaged A frame filler fairing damaged two fairing attachment brackets damaged and several rivets pulled through on the bullnose forward of the blocker doors Investigation continuing 5 similar occurrences Turbomeca ARRIELI1C Engine turbine section damaged Ref 510006125 RH engine free turbine damaged Further investigation found significant damage within the engine Investigation concluded that the damage was caused by the separation of a turbine blade from the second stage gas generator turbine P No 0292253350 TSN 2 043 hours 3 988 cycles TSO 2 043 hours 3 988 cycles PROPELLERS McCauley 3AF32C512 Propeller pitch control cable failed Ref 510006230 LH propeller pitch control cable separated at swaged fitting at propeller governor end P No 1023890103 1 similar occurrence Roto R4086123F17 Propeller speed pulse probe faulty Ref 510006200 No 2 propeller overspeed Investigation found a faulty propeller speed pulse probe Hartzell HCE2yk Propeller governor rod end detached from ball joint Ref 510006264 Pilot reported LH engine max RPM was low Investigation found the LH propeller governor control rod end detached from ball at the governor Inspection of the ball socket and clip showed they were worn allowing the rod end section to detach from the ball even with the safety clip in place P No 5417500
34. shooting for trim tank vent pipe leaks BAC 146100 Air conditioning odour Ref 510006292 On arrival at aircraft with APU air ON the smell of oil odour was evident Inspection for oil contamination iaw AD BAE146 86 found nil defects TSN 28 544 hours 29 139 cycles 11 similar occurrences BAC 146100 Flight compartment windshield shattered Ref 510006390 LH cockpit windshield outer layer shattered Crew noticed electrical arcing from the lower RH corner before the windshield failed P No NP1701013 1 similar occurrence Boeing 717200 Spoiler system out of adjustment Ref 510006342 Ground spoiler system suspect faulty Spoilers deployed at approximately 15ft altitude when throttles retarded Investigation found the nose gear ground sensing mechanical controls out of adjustment Boeing 717200 Steering unit actuator leaking Ref 510006128 LH nosewheel steering actuator leaking P No 39346895501 TSN 20 445 hours 15 745 cycles Boeing 717200 Wing spar cap corroded Ref 510006258 RH wing rear spar lower cap at Stn XRS 168 corroded 0 B of No1 flap hinge TSN 14 125 hours 10 671 cycles Boeing 737229 Portable oxygen smoke hood unserviceable Ref 510006389 During an oven fire in flight the cabin crew were instructed to operate wearing smoke hoods One smoke hood was found to have the activation cord toggle missing and was unable to be used P No E2818010 Boeing 737229 Stabiliser actuator unserviceable Ref 5
35. the powerpack motor were incorrectly fitted in reverse leading to replacement of the motor The landing gear failed for a second time on 7 April 2008 and the entire powerpack was replaced Fault finding on both events found that during gear retraction the powerpack continued to operate at end of retraction cycle tripping the 60amp circuit breaker and removing power from the motor Hence the gear did not extend upon subsequent down selection P No 10138800519 TSO 13 hours 22 cycles Beech 200 Landing gear electric motor faulty Ref 510006323 Landing gear hydraulic power pack electric motor faulty Investigation found the motor rotating in the wrong direction and drawing excessive current Replacement motor found to be also rotating incorrectly P No M710501 TSO 57 hours 1 similar occurrence Beech 200 Pressure bulkhead damaged Ref 510006322 Rear pressure bulkhead scratched and scored in area near safety and outflow valve box Found during investigation iaw AD Beech200 67 5 similar occurrences Beech 58 Wing spar cap corroded Ref 510006236 RH wing lower spar cap corroded Depth of corrosion approximately 1 524mm 0 060in over an area of approximately 25 4mm to 50 8mm 1in to 2in P No 9511002210 TSN 14 546 hours 1 similar occurrence Beech D55 Landing gear actuator worn Ref 510006364 Landing gear actuator worn beyond limits Investigation found that the actuator had been filled with what appeared to be whe
36. to the bellcrank assembly P No 5322112084 TSN 13 365 hours 17 995 cycles Piper PA24250 Mixture control cable housing separated Ref 510006424 Engine mixture control cable housing separated from clamp due to contact with the nose landing gear scissor assembly attachment bolt P No 1677500 TSN 4 471 hours Piper PA31350 Rudder cable incorrectly routed Ref 510006303 Rudder cable worn due to being incorrectly routed around rib instead of through lightening hole Piper PA31350 Hydraulic system low quantity Ref 510006173 Hydraulic system fluid low Investigation could find no signs of any leaks Further investigation found that the oil was lost and not replenished during hose replacement Robinson R22BETA Aircraft fuel filter bowl gasket deteriorated Ref 510006319 Fuel filter bowl gasket swollen Investigation found that the gasket swelled when in contact with fuel P No 10536 TSN 100 hours 4 months Schweizer 269C Drive belt support strut cracked Ref 510006217 Lower drive belt assembly support strut cracked approximately half way through the tube P No 269A54239 TSN 118 hours Swearingen SA227AC Landing gear steering system potentiometer failed Ref 510006275 After landing and prior to exiting runway the aircraft veered right uncommanded and departed the runway Investigation found an end break in the nose wheel monitor potentiometer wiper wire Swearingen SA227DC Wing fuel tank probe wiring worn and dama
37. ve Fuel Injection Servo Plugs Parachute Equipment AD PARA 18 VIGIL Parachute Automatic Activation Device Seats and Berths AD SEATS 29 Sicma Passenger Seat Inspection Turbochargers AD TURBO 2 Kelly Aerospace Turbochargers
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