Airworthiness directives › 2025-26-03
AD 2025-26-03 Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
Models named: Trent 1000-A, Trent 1000-AE, Trent 1000-C, Trent 1000-CE, Trent 1000-D, Trent 1000-E, Trent 1000-G, Trent 1000-H. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Rolls-Royce Deutschland Ltd & Co KG Model Trent 1000-A, Trent 1000-AE, Trent 1000-C, Trent 1000-CE, Trent 1000-D, Trent 1000-E, Trent 1000-G, and Trent 1000-H engines as identified in European Union Aviation Safety Agency (EASA) AD 2024-0122, dated June 28, 2024 (EASA AD 2024-0122).
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD, perform all required actions within the compliance times specified in, and in accordance with, EASA AD 2024-0122.
Unsafe condition
This AD was prompted by a determination made by the manufacturer that a high-pressure compressor (HPC) mini-disc anti-rotation block could possibly release into the HPC assembly stage 5 and 6 discs and cone rotor rear shaft (HPC rear drum) during an engine operation. The FAA is issuing this AD to detect and correct any missing or loose parts and foreign objects in the engine. The unsafe condition, if not addressed, could lead to failure of the HPC assembly stage 5 and 6 discs and the HPC rear drum, and consequent structural failure of the engine's critical parts.
Affected ADs
None.
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