Commonwealth legislation

AD/CESSNA 400/14 - Wing Locker Fuel Tank Vent - Modification

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

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What this is: A mandatory safety instruction (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority under the Civil Aviation Regulations.

Who it affects: Owners and operators of specific Cessna 421 series aircraft — specifically those with serial numbers below 421-0151 that have wing locker fuel tanks installed.

What it requires: You must modify the vent system for the wing locker fuel tanks according to the technical instructions in Cessna Service Letter ME69-34.

When: The modification had to be completed within 100 hours of flight time after 23 March 1970.

Why it matters: This fixes a safety defect in the fuel tank venting system to prevent potential hazards such as fuel leaks, fire risks, or engine fuel starvation caused by improper venting.

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AD/CESSNA 400/14 - Wing Locker Fuel Tank Vent - Modification

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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 Cessna 400 Series Aeroplanes

AD/CESSNA 400/14 Wing Locker Fuel Tank Vent - Modification 2/70 Applicability: All 421 series with S/Nos. below 421-0151 and fitted with wing locker fuel tanks. Document: Cessna SL ME69-34.

Compliance: Within 100 hours time in service after 23 March 1970.

Source text

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