Superseded. This AD was superseded by AD 2025-20-09. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2022-22-09
Effective 12/30/2022 · Published 11/25/2022
Airworthiness Directives; Airbus SAS Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-1041 airplanes. This AD was prompted by a report of rejected take-offs after transient engine N1 shaft speed exceedance. This AD requires replacing certain hydro-mechanical units (HMUs) with serviceable HMUs before reaching a reduced life limit, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorpor…