AD 2012-22-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
Unsafe Condition
A loose or missing fastener, a crack, damage, or corrosion on the tail rotor (T/R) pylon that could result in failure of the T/R pylon or other T/R components, and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the T/R pylon for a loose or missing fastener, crack, damage, or corrosion. If any of these conditions are found, repair or replace the T/R pylon and install a doubler on the aft shear deck tunnel assembly. If no crack is found, replace the T/R pylon and install the doubler.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 hours time-in-service (TIS) for helicopters with 500 or more hours TIS, and thereafter at intervals not to exceed 10 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Aircraft Corporation Model S-92A helicopters with a tail rotor (T/R) pylon, part number (P/N) 92000-06102-041, certificated in any category.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.