Commonwealth legislation

AD/S-76/12 - Upper Deck Flight Controls Installation - Modification

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD mandates a rework of the upper‑deck flight‑control bracket/angle on specified Sikorsky S‑76 serial numbers to increase clearances for rigging pin installation and proper roll‑gradient spring cylinder operation. Affected owners/operators must complete the modification per Sikorsky CSB 76‑67‑1 within 100 hours TIS after 31 July 1980. Compliance is the operator’s responsibility.

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AD/S-76/12 - Upper Deck Flight Controls Installation - 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 Sikorsky S-76 Series Helicopters

AD/S-76/12 Upper Deck Flight Controls Installation - Modification

7/80

Applicability: All models S76 with S/Nos. 76003 and 76005, 760001 to 760006, 760009 and

760011 to 760015.

Document: Sikorsky CSB 76-67-1.

Compliance: Within 100 hours time in service after 31 July 1980.

Background: Rework of a bracket and angle is necessary to increase the clearances for rigging pin installation and roll gradient spring cylinder operation.

Source text

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