Airworthiness Directive · Amendment 39-22787 · Pneumatic
Airbus SAS Airplanes
This AD applies to all Airbus SAS Model A350-941 and -1041 airplanes, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and -1041 airplanes. This AD was prompted by reports that certain engine bleed air system (EBAS) T-Ducts may not conform to the type design due to a quality escape not detected during the manufacturing process on Rolls-Royce Trent XWB-75, Trent XWB-84, and Trent XWB-97 engines. This AD requires replacement of affected EBAS T-Ducts and limits the installation of affected parts under certain conditions, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2023-0189, dated October 31, 2023 (EASA AD 2023-0189).
(1) Where EASA AD 2023-0189 refers to its effective date, this AD requires using the effective date of this AD.
(2) This AD does not adopt the “Remarks” section of EASA AD 2023-0189.
(3) Where the definition of affected part in EASA AD 2023-0189 specifies “as listed in the APPENDIX 1 of the NMSB,” replace that text with “as listed in the APPENDIX 1 of Rolls-Royce ALERT Non-Modification Service Bulletin TRENT XWB 36-AK870, dated September 29, 2023.”
Although certain material referenced in EASA AD 2023-0189 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
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.
Aircraft
