Commonwealth legislation

AD/BUSHBY M2/2 Amdt 1 - Sta 114.75 Bulkhead Member P/N 240.339

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 mandatory Airworthiness Directive requires owners/operators of Bushby Mustang II aircraft to inspect and modify the station 114.75 bulkhead (PN 240.339) to prevent cracking caused by excessive back-stick pressure, following the manufacturer’s March 1989 Service Bulletin or a CASA‑approved alternative. Work must be done before accumulating 100 flight hours after 25 January 1990. Amendment 1 permits CASA‑approved alternative repair schemes.

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Current sections

Direct links to the current provisions in AD/BUSHBY M2/2 Amdt 1 - Sta 114.75 Bulkhead Member P/N 240.339.

AD/BUSHBY M2/2 Amdt 1 - Sta 114.75 Bulkhead Member P/N 240.339

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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 Bushby Mustang II Series Aeroplanes

AD/BUSHBY M2/2

Amdt 1

Applicability: All models.

Sta 114.75 Bulkhead Member P/N 240.339 9/90

Requirement: Action in accordance with Bushby Aircraft Inc. Mandatory Mustang II Service Bulletin dated 15 March 1989, or alternate scheme approved by the Authority.

Compliance: Unless previously accomplished - prior to exceeding 100 hours time in service after 25 January 1990.

Background: Bushby Aircraft Inc. considers modification mandatory. Excessive back stick pressure during ground operation causes flexing of bulkhead which can lead to cracking at rivet locations. Amendment 1 considers alternate schemes that may be approved by the Authority.

Source text

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