Commonwealth legislation

AD/AMD 20/19 - MLG Door Rear Lock Control Lever Stop

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive orders a critical safety fix for specific Dassault Falcon business jets to prevent landing gear failure.

The Risk A synchronising cable that connects the front and rear main landing gear (MLG) door locks can rupture in flight. If this happens and the pilot uses the emergency manual control, the rear door lock may jam, preventing the landing gear from extending entirely.

The Requirement Owners of affected aircraft must install a mechanical stop on the rear lock control lever of each lateral main landing gear door. The installation must follow the exact instructions in the manufacturer's Service Bulletin FJF-502.

Who is affected Only specific AMD Fan Jet Falcon (Falcon 20/Mystere-Falcon 200) aircraft with serial numbers listed in Service Bulletin FJF-502.

Compliance deadline The modification had to be completed prior to 31 October 1987.

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AD/AMD 20/19 - MLG Door Rear Lock Control Lever Stop

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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 AMD Fan Jet Falcon (Falcon 20/Mystere-Falcon 200) Series Aeroplanes

AD/AMD 20/19 MLG Door Rear Lock Control Lever Stop 9/87

Applicability: Models with S/No’s as listed in AMD-BA S.B. FJF-502. Requirement: Action in accordance with AMD-BA Service Bulletin FJF-502.

Note: Bureau Veritas AD 87-077-018(B) refers.

Compliance: Prior to 31 October 1987.

Background: A report was received of the rupture in flight of the synchronising teleforce cable that interconnects the front and rear lateral door locks. If this cable breaks the rear door lock may jam when the emergency manual control is operated, and the landing gear will not extend. To prevent jamming, a stop is fitted to each lateral door rear lock.

Source text

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