Airworthiness Directive · Amendment 39-22739 · Engine fuel and control
Rolls-Royce Deutschland Ltd & Co KG
This AD applies to 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.
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) 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. This AD was prompted by reports of wear in the combining spill valve (CSV) assembly of certain hydro-mechanical units (HMUs). This AD requires removing certain HMUs from service and replacing with a serviceable part. This AD also prohibits the installation of certain HMUs unless the HMU is a serviceable part or the CSV assembly has been replaced, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference The FAA is issuing this AD to address the unsafe condition on these products.
Except as specified in paragraph (h) of this AD: 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).
(1) Where EASA AD 2023-0113 refers to its effective date, this AD requires using the effective date of this AD.
(2) Where Table 1 of EASA AD 2023-0113 specifies “15 June 2023”, replace that text with “As of the effective date of this AD.”
(3) Where Table 1 of EASA AD 2023-0113 specifies “01 January 2025”, replace that text with “Within 4 months after the effective date of this AD or January 1, 2025, whichever occurs later.”
(4) Where the service information referenced in EASA AD 2023-0013 specifies to discard certain parts, this AD requires those parts to be removed from service.
(5) This AD does not adopt the Remarks paragraph of EASA AD 2023-0113.
For the purposes of this AD, the “implementation date” is defined as the date that the applicable engine flight hour limit takes effect.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Appliances and equipment
