Federal Register of Legislation
AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/GAF N22/52 and issues the following AD under subregulation 39.001(1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
GAF N22 and N24 Series Aeroplanes AD/GAF-N22/52 Amdt 1 Stub Wing Upper Front Spar Cap 1/2010
Applicability: All models. Requirement: Action in accordance with Nomad Service Bulletin NMD-53-22. Compliance: As detailed in the Requirement Document. This Amendment becomes effective on 29 January 2010. 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.
Amendment 1 adopts the manufacturer's latest service bulletin. Its new inspection method avoids having to remove the Huck bolts and the potential to damage the holes.
Mike Higgins Delegate of the Civil Aviation Safety Authority
4 January 2010
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