Superseded. This AD was superseded by AD 2023-05-07. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2020-21-07
Effective 11/18/2020 · Published 10/14/2020
Airworthiness Directives; Airbus SAS Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and -1041 airplanes. This AD was prompted by a report that sticking effects have been observed affecting the breathing bag on certain passenger oxygen masks. This AD requires replacement of affected passenger oxygen masks, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The…