Superseded. This AD was superseded by AD 2021-04-11. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2020-01-10
Effective 03/12/2020 · Published 02/06/2020
Airworthiness Directives; Airbus SAS Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 airplanes. This AD was prompted by a determination that ram air turbine (RAT) performance may be below the expected (certificated) level when the landing gear is extended. This AD requires installing flight control and guidance system (FCGS) software (SW) X11 Standard (STD), as specified in a European Union Aviation Safety A…