Commonwealth legislation

AD/G21/2 - Horizontal Stabiliser Lower Strut Fittings - Inspection and Life Limitation

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This AD from CASA applies to all Grumman G21A aircraft and mandates magnetic-particle inspection of the horizontal stabiliser lower strut adjustable end fitting (P/N 12561-3) before issuance of the Certificate of Airworthiness and at intervals not exceeding 1,000 hours TIS. It also requires retirement of any P/N 12561-3 fitting before 3,200 hours TIS.

Owners/operators must fund inspections and replacements, track hours-on-part, and schedule NDT access to meet the fixed inspection intervals and life limit.

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AD/G21/2 - Horizontal Stabiliser Lower Strut Fittings - Inspection and Life Limitation

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Grumman G21 (Goose) Series Aeroplanes

AD/G21/2 Horizontal Stabiliser Lower Strut Fittings - Inspection and Life Limitation

Applicability: All model G21A.

10/77

Requirement: 1 Inspect the threaded portion of the strut lower adjustable end fitting P/N 12561-3 for cracks using a magnetic particle inspection technique.

Retire from service strut lower adjustable end fittings P/N 12561-3.

Note: Grumman Customer Bulletin G21A No. 3 and FAA AD 53-31-2 refer.

Compliance: 1. Initially, before issue of Certificate of Airworthiness and thereafter at intervals not exceeding 1000 hours time in service.

Before exceeding 3200 hours time in service.

Source text

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