Airworthiness directives › 2020-15-08
AD 2020-15-08 Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines
Applicability*9
This AD applies to all Rolls-Royce Deutschland Ltd & Co KG (Type Certificate previously held by Rolls-Royce plc) 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 model turbofan engines.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
After the effective date of this AD, no later than the required removal date specified in Appendix 1 of Rolls-Royce Alert Non-Modification Service Bulletin (NMSB) Trent 1000 72-AK294, dated July 16, 2019 (“Rolls-Royce Alert NMSB Trent 1000 72-AK294”): (1) Remove LPC front case, P/N KH26266 and with a S/N identified in Appendix 1 of Rolls-Royce Alert NMSB Trent 1000 72-AK294, and (2) Replace the LPC front case with a part eligible for installation.
Unsafe condition
This AD was prompted by the manufacturer identifying 38 low-pressure compressor (LPC) front cases, part number (P/N) KH26266 with individual serial numbers (S/Ns), that have non-optimal properties that could inhibit their ability to contain certain engine failures. The FAA is issuing this AD to prevent failure of the LPC front case when subjected to high-energy debris release. The unsafe condition, if not addressed, could result in uncontained release of high-energy debris, damage to the engine, and damage to the airplane.
Affected ADs
None.
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