A reader at respected airline industry site Leeham News offered a comment that suggests they have access to Boeing’s internal quality control systems, and shares details of what they saw regarding the Boeing 737 MAX 9 flown by Alaska Airlines that had a door plug detach inflight, causing rapid decompression of the aircraft. The takeaway appears to be that outsourced plane components have so many problems when they show up at the production line that Boeing’s quality control staff can’t keep up with them all.
Here’s a New York Times article from 2019 on persistent quality control issues during production of the Dreamliner, including one time someone left a ladder inside the tail of a plane.
Here’s a New York Times article from 2019 on persistent quality control issues during production of the Dreamliner, including one time someone left a ladder inside the tail of a plane.