Operators of Boeing 737 NG and 737 MAX aircraft face a new potential problem after “multiple reports of passenger service unit (PSU) oxygen generators shifting out of position within their associated PSU assemblies because of a retention failure.”
Airworthiness Directive
2Ku antenna challenges hit the A220
Air vortices off the 2Ku antenna system are once again causing troubles. This time it is the Airbus A220 affected, with some 65 fitted aircraft up for additional inspection and hardware replacement as a result.