Commonwealth legislation

AD/GAF-N22/68 - Horizontal Stabiliser - Main Spar and Upper Skin

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires operators of GAF Nomad N22/N24 aircraft fitted with Mod N663 and N768 to carry out a detailed visual inspection of the horizontal stabiliser main spar and upper skin per Nomad Alert Service Bulletin ANMD-55-32, report the first-inspection results (positive and negative) to the Authority, and repeat inspections at each maintenance release but at least annually or every 115 hours. Initial inspection is due within 100 hours after 13 October 1994 or by 13 November 1994. The action follows fatigue testing that revealed cracks.

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AD/GAF-N22/68 - Horizontal Stabiliser - Main Spar and Upper Skin

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-N22/68 Horizontal Stabiliser - Main Spar

and Upper Skin

11/94

Applicability: All Nomad N22 series and N24 series aircraft fitted with Mod N663 and N768.

Requirement: Perform a detailed visual inspection of the horizontal stabiliser main spar and skins.

Inspect in accordance with Nomad Alert Service Bulletin ANMD-55-32.

Report the findings of the first inspection, negative as well as positive, to the Authority. Include the total time in service of the horizontal stabiliser, and the time in service since mod’s N663 and N768 were fitted.

Compliance: Initially inspect before 100 hours time in service after 13 October 1994, or before 13 November 1994, whichever occurs first.

Re-inspect the spar and skins at each inspection of the airplane for the purpose of issuing a maintenance release, but not less frequently than annually, or every 115 hours time in service.

Background: Fatigue testing has revealed fatigue cracks in the horizontal stabiliser upper skin and main spar.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/GAF-N22/68 - Horizontal Stabiliser - Main Spar and Upper Skin