AD 2024-08-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG |
Unsafe Condition
Reports of wear in the combining spill valve (CSV) assembly of certain hydro-mechanical units (HMUs) have been reported, which can reduce the fuel flow output when the engine is operated at high power conditions and lead to thrust reduction.
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Required Actions
Perform all required actions within the compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2023-0113, dated June 1, 2023 (EASA AD 2023-0113).
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Compliance Time
Within 4 months after the effective date of this AD.
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Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG Model Trent 1000-A, Trent 1000-A2, Trent 1000-AE, Trent 1000-AE2, Trent 1000-C, Trent 1000-C2, Trent 1000-CE, Trent 1000-CE2, Trent 1000-D, Trent 1000-D2, Trent 1000-E, Trent 1000-E2, Trent 1000-G, Trent 1000-G2, Trent 1000-H, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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