AD 2023-13-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Turbomeca | Various | Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines |
| aircraft | Aviat | Various | Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines |
| engine | Safran | Helicopter | Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines |
Unsafe Condition
Reports of false engine fire warnings due to fire detectors that do not conform to the type design, which could lead to commanded in-flight engine shut-down, possibly resulting in damage to the helicopter and reduced control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replacing the affected fire detectors, as specified in EASA AD 2023-0110, and prohibiting installation of affected fire detectors on any engine.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 flight hours or 60 days from the effective date of this AD for Model Arriel 1K1 engines, and before further flight for Model Arriel 1C, Arriel 1C1, and Arriel 1C2 engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Model Arriel 1C, Arriel 1C1, Arriel 1C2, and Arriel 1K1 engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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