Commonwealth legislation

AD/S-76/40 - Power Train Tail Drive Shaft Bearing Support Assembly

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This directive requires Sikorsky S‑76 helicopters with MRC‑manufactured tail drive shaft bearing support bearings to be inspected and corrected per Sikorsky Alert Service Bulletin No. 76‑66‑20 before further flight after 31 July 1985, because some bearings may have been assembled without grease. It affects owners/operators of fitted S‑76s, who must arrange and pay for the work performed by authorised maintenance organisations.

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AD/S-76/40 - Power Train Tail Drive Shaft Bearing Support Assembly

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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 Sikorsky S-76 Series Helicopters

AD/S-76/40 Power Train Tail Drive Shaft Bearing Support Assembly

9/85

Applicability: All model S76 which have bearing support assembly bearings manufactured by MRC installed.

Requirement: Action in accordance with Sikorsky Alert Service Bulletin No. 76- 66-20. Compliance: Before further flight after 31 July 1985.

Background: It has been determined that some bearings manufactured by MRC may have been assembled without grease.

Source text

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