Commonwealth legislation

AD/BELL 412/23 - Electrical Wiring Harnesses

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

1/10 complexity

What it does: This Airworthiness Directive (aviation safety law) mandates urgent repairs to prevent electrical fires in specific Bell 412 helicopters.

Who it affects: Owners and operators of Bell 412 aircraft with serial numbers 33001 through 33160, and 33168 through 33185.

What must be done: Follow the instructions in Bell Alert Service Bulletin 412-89-43 to repair electrical wiring harnesses. This fixes dangerous chafing (wear caused by rubbing) in six identified problem areas that have caused in-flight fires.

Compliance deadline: Prior to 31 December 1989.

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AD/BELL 412/23 - Electrical Wiring Harnesses

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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 412 Series Helicopters

AD/BELL 412/23 Electrical Wiring Harnesses 7/89

Applicability: All model 412 aircraft serial number 33001 through 33160, and 33168 through

Requirement: Action in accordance with Bell ASB 412-89-43. Compliance: Prior to 31 December 1989.

Background: Bell have advised that several reports of in flight fires have been received recently.

The referenced SB describes repairs/modifications designed to control adverse chafing in six known problem areas.

Source text

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