AD 2000-12-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | S-76A | Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model S-76A Helicopters |
Unsafe Condition
Overheating of the air conditioning soft-start assembly, which could lead to damage in the lower tailcone, an electrical fire, and subsequent loss of control of the helicopter.
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Required Actions
Inspect the soft-start control assembly within 25 hours time-in-service (TIS) and thereafter at intervals not exceeding 25 hours TIS. Install a soft-start assembly retrofit kit within 120 calendar days.
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Compliance Time
Within 25 hours TIS for inspections and within 120 calendar days for retrofit kit installation.
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Affected Aircraft
Sikorsky Model S-76A helicopters with Aero Aire Air Conditioning System, part number S-76A-1-2, modified in accordance with Supplemental Type Certificate SH4680SW, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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