EASA AD US-2022-04-09
SUPERSEDED BY FAA AD 2023-13-11
FAA Airworthiness Directive 2022-04-09 is a final rule addressing certain AVOX System Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies installed on various transport airplanes, including Boeing 737 Next Generation and 777 series models. The directive targets assemblies with oxygen leakage caused by improper spacing between valve components, which could lead to insufficient oxygen supply or ignition risks during depressurization events.
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737 Next GenerationBoeing 777