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.

The National Transportation Safety Board chairwoman says heroic actions by the crew aboard an Alaska Airlines flight ensured everyone survived last year when the door plug panel blew out of the plane.

The blame for a horrifying mid-flight blowout of a door plug on an Alaska Airlines flight last year is shared by plane manufacturer Boeing, its supplier Spirit Aerosystems and the Federal Aviation Administration,