AD 2021-04-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
Unsafe Condition
nonconforming threads on multiple landing gear components, including threaded hinge pins and main landing gear (MLG) and nose landing gear (NLG) actuator pins, resulting in a life limit reduction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
a one-time inspection of the landing gear for components with non-conforming threads and removal of any non-conforming threaded hinge pin and MLG and NLG actuator pin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 300 hours time in service after the effective date of this AD and any affected hinge pins and MLG and NLG actuator pins be removed from service before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Model S-92A helicopters, with serial numbers (S/Ns) 920006 through 920334, inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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