AD 94-25-08
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca S.A. | Arriel 1A | Turbomeca Arriel Model 1B, 1D, 1D1, 1A with TU13, and 1A1 with TU13 Engines |
| engine | Turbomeca S.A. | Arriel 1A1 | Turbomeca Arriel Model 1B, 1D, 1D1, 1A with TU13, and 1A1 with TU13 Engines |
| engine | Turbomeca S.A. | Arriel 1B | Turbomeca Arriel Model 1B, 1D, 1D1, 1A with TU13, and 1A1 with TU13 Engines |
| engine | Turbomeca S.A. | Arriel 1D | Turbomeca Arriel Model 1B, 1D, 1D1, 1A with TU13, and 1A1 with TU13 Engines |
| engine | Turbomeca S.A. | Arriel 1D1 | Turbomeca Arriel Model 1B, 1D, 1D1, 1A with TU13, and 1A1 with TU13 Engines |
Unsafe Condition
Gearboxes
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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