Commonwealth legislation

AD/B727/84 Amdt 3 - Main Landing Gear Lock System

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Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This Airworthiness Directive mandates that owners/operators of Boeing 727s (line numbers up to 1125) complete the work in Boeing Service Bulletin 727‑32‑0237 Rev 4 on the main landing gear lock system by 31 December 1988, after reports of missing nuts and a lost bolt. It affects operators and maintenance providers, imposes compliance costs on aircraft owners, and is enforced by the Civil Aviation Safety Authority with technical content supplied by Boeing.

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AD/B727/84 Amdt 3 - Main Landing Gear Lock System

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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/B727/84

Amdt 3

Main Landing Gear Lock System 9/88

Applicability: All models to line number 1125.

Requirement: Action in accordance with Boeing S.B. 727-32-0237 Rev 4.

Note: FAA AD 79-04-01 R3 is referenced for earlier issues of this Directive.

Compliance: Prior to 31 December 1988.

Background: Aircraft were initially modified to provide higher strength components in the MLG lock system. Since that time there have been reports of missing nuts and the loss of a bolt.

Source text

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