Superseded. This AD was superseded by AD 2024-06-12. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2021-24-20
Effective 01/27/2022 · Published 12/23/2021
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 reports of slat transmission jams caused by frozen slat geared rotary actuators (SGRAs) at slat 5 track 12. This AD requires repetitive water drainage and plug cleaning of the left- and right-hand SGRAs having a certain part number installed on slat 5 track 12 with certain functional…