AD 2023-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines |
| engine | Rolls-Royce | Deutschland Ltd | Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines |
Unsafe Condition
Corrosion on the fuel pump's internal components due to water contamination, leading to debris release and filter blockages in variable stator vane actuator control units, which resulted in the variable stator vane system failing in the closed position.
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Required Actions
Replace the affected fuel pump on at least one engine before further flight. Replace all affected fuel pumps within a specified compliance time. Prohibit installation of any affected engine onto any airplane or any affected fuel pump onto any engine.
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Compliance Time
Within a specified compliance time (not explicitly stated in the provided text).
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Affected Aircraft
Rolls-Royce Deutschland Ltd. & Co. KG Model RB211-Trent 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17 engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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