Commonwealth legislation

AD/BELL 212/39 - Engine Fuel Switch

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This Act has been repealed and is no longer in force. It is retained for historical reference.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 AD requires mandatory inspection and repair of a defective engine fuel switch on certain Bell 212 helicopters to prevent in‑flight engine flameout from a broken leaf spring. Affected aircraft have older fuel switches (date codes 78XX or earlier); operators must follow Bell Alert Service Bulletin 212-88-52 and comply before 1 January 1989.

Aircraft may not legally fly until the repair is completed.

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Current sections

Direct links to the current provisions in AD/BELL 212/39 - Engine Fuel Switch.

AD/BELL 212/39 - Engine Fuel Switch

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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 Bell Helicopter Textron 212 Series Helicopters

AD/BELL 212/39 Engine Fuel Switch 11/88

Applicability: Model 212 S/N 30680 through 31206, 32109 through 32142 and 32201 through

Requirement: Action in accordance with Bell ASB 212-88-52. Compliance: Prior to 1 January 1989.

Background: Reports received from the field reveal failure of the leaf spring within the engine fuel switch. A leaf spring failure has resulted in the engine fuel valve motoring to the closed position with associated engine flame out. The leaf spring failure was a result of a manufacturing operation during switch assembly on items with a date code 78XX or earlier.

Source text

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