Commonwealth legislation

AD/GA-7/5 - Propeller Control Ball Joint - Replacement

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 is a mandatory safety directive (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority for specific Gulfstream aircraft.

What it requires: Owners or operators of Model GA-7 aircraft with serial numbers GA7-0001 through GA7-0069 must replace the propeller control ball joint. This is a mechanical component that connects the pilot's throttle/propeller controls to the engine.

When to do it: The replacement must be completed within 100 hours of flight time after 31 March 1979.

Why it matters: The directive references a manufacturer service bulletin (GAC SB No. ME-12), indicating a discovered defect or wear pattern in the original ball joint that could cause loss of propeller control, potentially leading to engine failure or loss of aircraft control.

Who is affected: Only operators of the 69 specific aircraft identified by serial number in the applicability section.

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Current sections

Direct links to the current provisions in AD/GA-7/5 - Propeller Control Ball Joint - Replacement.

AD/GA-7/5 - Propeller Control Ball Joint - Replacement

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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 Gulfstream (Grumman American) GA-7 Series Aeroplanes

AD/GA-7/5 Propeller Control Ball Joint - Replacement NK

Applicability: Model GA-7 with S/Nos. GA7-0001 to GA7-0069. Document: GAC SB No. ME-12.

Compliance: Within 100 hours time in service after 31 March 1979.

Source text

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