Lufttiichtigkeitsanweisung Consigne de navigabilité HB 97
Contents
1. Bundesamt f r Zivilluftfahrt BAZL Ufficio federale dell aviazione civile UFAC Office f d ral de l aviation civile OFAC Federal Office for Civil Aviation FOCA Luftt chtigkeitsanweisung Consigne de navigabilit HB 97 368 Prescrizione di aeronavigabilit Airworthiness directive Inkraftsetzung Mise en vigueur 22 07 1997 Entrata in vigore Effective Date Betroffene Muster Types concern s Applicabilit Models affected EUROCOPTER FRANCE Certain Model SE 313 B SE 3130 SA 3180 SA 318 B and SA 318 C Alouette II and Alouette Astazou helicopters Applicability as indicated in the CAN released by Direction G n rale de Aviation Civile DGAC Anlass Massnahmen Objet Mesures Oggetto Provvedimenti Subject Action MAIN ROTOR BLADES Initial and repetitive inspections Fristen D lais Scadenza Compliance The effective date on this page is applicable Compliance as per DGAC CdN Herkunft Provenance Provenienza Origin DGAC CdN 97 135 055 Bezugnahme R f rence Riferimento Reference Manufacturer s documentation as referenced in the DGAC CdN Bemerkungen Observations Osservazioni Remarks Replaces FOCA Letter dated July 22nd 1997 which was sent to all owners of referenced Swiss registered helicopter model Rechtsmittelbelehrung siehe TM Nr Seite von Voies de droit voir CT no F 02 020 80 Page l de 5 Rimedi giuridici vedi CT no Pagina di Right to appeal see CT n2. check the blade skin for cracks in the first 300 mm from the root reinforcement strip If a crack is found remove the blade 4 Check the blade skin for corrosion in the same 300 mm area If corrosion is found remove the blade 5 Check that the sealant bead between the blade spar and the reinforcement strip is in good condition Ref EUROCOPTER 313 318 Telex Service No 05 91 This Airworthiness Directive was issued telegraphically on June 20 1997 EFFECTIVE DATE On receipt of the telegraphic AD from JUNE 20 1997
3. original issue EUROCOPTER 313 318 Helicopters Main Rotor Blades This Airworthiness Directive applies to SE 313B SE 3130 SA 3180 SA 318B and SA 318C ALOUETTE II and ALOUETTE ASTAZOU helicopters equipped with the main rotor blades part numbers 313085 11 10000 al dash numbers 3130S 11 20000 al dash numbers 3130S 11 30000 all dash numbers Further to the in flight failure of a main rotor blade the following measures are rendered mandatory a before the next flight after the effective date for this Airworthiness Directive unless this has already been done in compliance with the referenced Telex Service No 05 91 b then every 25 flying hours In the areas of the root skin and reinforcement strip shown in Figure 603 of the Maintenance Manual MDE Chapter 57 1 page 604 1 Check the blade for skin bonding separation at the reinforcement strip in the 5 mm area defined in Figure 603 of the MDE Chapter 57 1 page 604 The blade must be removed if any bonding separation is found 2 Check for bonding separation of the reinforcement strip in the area that covers the spar The blade must be removed if the bonding separation in this area affects more than 500 mm2 at one or more points ee eee n DJ June 20 1997 EUROCOPTER 97 135 055 AB 313 318 Helicopters He 93 308 CONSIGNE DE NAVIGABILITE r f 97 135 055 AB Page n 2 3 Using a magnifying glass magnification approximately 3 to 7 times
4. eur 500 mm2 dans cette zone en 1 ou plusieurs d collements entra ne la d pose de la pale 3 V rification de l absence de crique du rev tement l aide d une loupe grossissement 3 7 fois environ dans les 300 premiers millim tres de la pale partir du bord du galon d emplanture En cas de crique d pose de la pale sx ess n DJ Date 20 06 97 EUROCOPTER 97 135 055 AB H licopteres 313 318 2 HR 99 367 CONSIGNE DE NAVIGABILITE r f 97 135 055 AB Page n 2 4 V rification de l absence de corrosion sur le rev tement dans la m me zone de 300 mm Si pr sence de corrosion d pose de la pale 5 S assurer du bon tat du cordon d tanch it entre le longeron de la pale et le galon R f T lex service EUROCOPTER 313 318 N 05 91 La pr sente Consigne de Navigabilit a fait l objet d une diffusion t l graphique le 20 Juin 1997 DATE D ENTREE EN VIGUEUR i D s r ception de la CN T l graphique compter du 20 JUIN 1997 He 93 3er GSAC AIRWORTHINESS DIRECTIVE released by DIRECTION GENERALE DE L AVIATION CIVILE Inspection and or modifications described below are mandatory No person may operate a product to which this Airworthiness Directive applies except in accordance with the requirements of this Airworthiness Directive Translation of Consigne de Navigabilit ref 97 135 055 B In case of any difficulty reference should be made to the French
5. o Page of He 9 362 CONSIGNE DE NAVIG ABILITE d finie par la DIRECTION GENERALE DE L AVIATION CIVILE Les examens ou modifications d crits ci dessous sont imp ratifs La non application des exigences contenues dans cette consigne entra ne l inaptitude au vol de l a ronef concern EUROCOPTER H licopt res 313 318 Pales principales La pr sente Consigne de Navigabilit concerne les h licopt res SE 313 B SE 3130 SA 3180 SA 318 B et SA 318 C ALOUETTE II et ALOUETTE ASTAZOU quip s de pales principales r f renc es 3130S 11 10000 TOUS POINTS 3130S 11 20000 TOUS POINTS 3130S 11 30000 TOUS POINTS Suite la rupture en vol d une pale principale les mesures suivantes sont rendues imp ratives a avant le prochain vol qui suit la date d entr e en vigueur de la pr sente Consigne de Navigabilit sauf si d j appliqu depuis la parution du Telex Service 0591 en r f rence b puis toutes les 25 heures de vol Dans les zones de rev tement et du galon en emplanture d finies par la figure 603 chapitre 57 1 page 604 du Manuel d Entretien MDE 1 V rification de l absence de d collement du rev tement de la pale au droit du galon dans la zone de 5 mm d finie figure 603 chapitre 57 1 page 604 du MDE Toute pr sence de d collement entra ne la d pose de la pale 2 V rification de l absence de d collement du galon sur la partie recouvrant le longeron Tout d collement sup ri
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