The mid-exit door plug separated from the Boeing 737 Max 9 passenger plane on Jan. 5, 2024, minutes after Flight 1282 took off from Portland International Airport.

Investigators concluded that the door panel on the newly manufactured Boeing 737 Max 9 had been removed to repair rivets on the frame of the plug. When Boeing personnel replaced t

Boeing and the FAA have improved training and processes since 2024 incident, according to the NTSB, but board officials said both organizations need to better identify manufacturing risks.