Commonwealth legislation

AD/PMC/37 - Blade Counterweight Bolt Replacement

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD mandates replacement or a revised maintenance practice for blade counterweight bolts on specified McCauley variable‑pitch propellers, to be completed at the next maintenance release inspection after 31 May 1983, using McCauley Service Bulletin 147. It affects owners/operators of the listed propellers, who bear parts and labor costs. The aim is to eliminate reported bolt failures and preserve airworthiness by requiring the manufacturer’s prescribed maintenance.

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Direct links to the current provisions in AD/PMC/37 - Blade Counterweight Bolt Replacement.

AD/PMC/37 - Blade Counterweight Bolt Replacement

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Propellers - Variable Pitch - McCauley

AD/PMC/37 Blade Counterweight Bolt Replacement 5/83

Applicability: All 3AF32C504, 3AF32C505, 3AF32C506, 3AF32C507, 3AF32C508 and

3AF32C509 models with serial numbers 803546 through 816154.

Document: McCauley Service Bulletin 147.

Compliance: By the next maintenance release inspection, after 31st May 1983.

Background: The manufacturer reports failures of blade counterweight bolts. This Directive introduces a new maintenance practise to nullify this problem.

Source text

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