AD Amdt-39-10126
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation Model S- 61A | Airworthiness Directives; Sikorsky Aircraft Corporation Model S- 61A, D, E, L, N, NM, R, and V Helicopters; Correction |
Unsafe Condition
The anodizing process performed by Poly-Metal Company between October 1, 1996, and December 31, 1996, may have resulted in a degradation of the pocket assemblies on certain main rotor blades, leading to potential failure of the pocket assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect main rotor blades to determine the anodizing date of pocket assemblies. Replace blades with anodized pocket assemblies from Poly-Metal Company between October 1, 1996, and December 31, 1996, with airworthy blades before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Aircraft Corporation Model S-61A, D, E, L, N, NM, R, and V helicopters with main rotor blades having pocket assemblies anodized by Poly-Metal Company between October 1, 1996, and December 31, 1996.
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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