AD 2012-22-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
Unsafe Condition
Unintended movement of the engine control levers due to an external force to the windshield or canopy.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 6 months, replace the throttle stop and trigger assembly on each engine control lever and perform a throttle position check as specified in Sikorsky Alert Service Bulletin No. 76-76-6A Revision A.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 6 months of the effective date (December 20, 2012).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Aircraft Corporation Model S-76C helicopters, serial numbers 760506 and 760607 through 760812.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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