AD 82-25-01 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-76A | Airworthiness Directives; SIKORSKY Model S-76A Helicopters |
Unsafe Condition
Failure of the S-76 main left and right landing gear positioning rod end fittings, Part Number KR10MEAK, due to cracks.
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Required Actions
Inspect for cracks and replace rod end fittings as required per Sikorsky Alert Service Bulletin 76-32-10 and modifications. Replace rod end fitting P/N KR10MEAK with P/N 1945E235 and install improved parts from kit P/N 76070-25004-011 per CSN 76-134 or 76-134A. Revise aircraft weight and balance.
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Compliance Time
Within the next 25 hours' time in service after the effective date (December 1, 1986) if rod ends have 1,500+ hours' time in service, or before 1,525 hours' time in service if less than 1,500 hours. Thereafter, inspections at intervals not exceeding 100 hours' time in service. Replacement must be done within 300 hours' time in service or 6 months after effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Model S-76A helicopters with serial numbers prior to 760308.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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