Commonwealth legislation

AD/S-76/3 Amdt 1 - Engine Air Inlet Cowl and Aft Cowl Assemblies - Modification

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Commonwealth

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legislative instrument

Plain English Summary

6/10 complexity

Requires owners/operators of specified Sikorsky S-76 helicopters (S/N 76005–76007, 760001–760037) to modify engine air inlet cowl and aft cowl assemblies according to Sikorsky technical drawings, service bulletin and referenced FAA AD. Compliance is mandatory within 100 flight hours after 30 June 1980. The amendment is stated to prevent structural failures of inlet cowl doors and in‑flight opening of their latch handles. Operators pay for and must implement the specified modifications using the listed documents.

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AD/S-76/3 Amdt 1 - Engine Air Inlet Cowl and Aft Cowl Assemblies - 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-76/3

Amdt 1

Engine Air Inlet Cowl and Aft Cowl Assemblies - Modification

6/80

Applicability: All model S-76 with S/Nos. 76005 to 76007, 760001 to 760037.

Documents: 1. Sikorsky SB 76-53-10;

Sikorsky Drawings 76070-30001 and 76080-30007;

Sikorsky EO 83184 against Drawing 76303-07001; EO 83185 against Drawing 76302-07001; and EO 83189, EO 83190 and EO 83191 against Drawing 76080- 30006; or

FAA AD 80-02-10, Amendment 39-3717.

Compliance: Unless already accomplished, within 100 hours time in service after 30 June 1980.

Background: This Directive is varied to prevent structural failures of the engine air inlet cowl doors and in-flight opening of their attaching latch handles.

Source text

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