AD 2012-22-14
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-70 | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-70A | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-70C | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-70C(M) | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
| aircraft | Sikorsky Aircraft Corporation | S-70C(M1) | Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters |
Unsafe Condition
Tail Rotor Gearbox
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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