Commonwealth legislation

AD/B727/56 - Main Landing Gear Shock Strut Outer Cylinder - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This directive requires immediate ("forthwith") physical inspections for cracking of chrome‑plated main‑landing‑gear outer‑cylinder aft trunnion extensions on all Boeing 727 models, but only where those parts were overhauled other than as described in Boeing 727 Overhaul Manual Section 32/12/1.

It obliges aircraft operators/owners to identify affected parts and arrange inspections; maintenance providers bear labour/materials, with operators ultimately responsible for costs. The AD creates an urgent operational duty and incentives to follow the cited overhaul procedure.

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AD/B727/56 - Main Landing Gear Shock Strut Outer Cylinder - Inspection

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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 Boeing 727 Series Aeroplanes

AD/B727/56 Main Landing Gear Shock Strut Outer Cylinder - Inspection

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Applicability: All models.

Requirement: Inspect for cracking, all chrome plated main landing gear outer cylinder aft trunnion extensions which have been overhauled in a manner other than specifically described by Boeing 727 Overhaul Manual Section 32/12/1.

Compliance: Forthwith.

Source text

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