AD 2012-22-13

final rule
Data completeness: 70%

Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

AD Number
2012-22-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0340
FR Citation
77 FR 68057

Applicability

TypeManufacturerModelDetails
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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