AD/GAF-N22/52 - Stub Wing Upper Front Spar Cap
1AD/GAF-N22/52 - Stub Wing Upper Front Spar Cap
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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GAF N22 and N24 Series Aeroplanes
AD/GAF-N22/52 Stub Wing Upper Front Spar Cap 1/87
Applicability: All models.
Requirement: Action in accordance with Nomad Service Bulletin NMD-53-6.
Note: Because of particular difficulties associated with fastener removal and the critical nature of the operation, it is recommended that operators consider the manufacturer’s offer of specialist personnel and equipment, as outlined in Nomad Product Support Information Letter No. IL86-07.
Compliance: As detailed in the Requirement Document.
Background: The results of full scale fatigue tests being conducted by the manufacturer have shown the need for inspection of critical fastener holes in the stub wing upper front spar cap, near the wing strut attachment. Selected lead time aircraft which have been inspected, both in Australia and overseas, have not exhibited any cracks to date.