Topline The Department of Justice has launched a criminal probe into a Jan. 5 Alaska Airlines flight where a door blew open mid-flight aboard a Boeing 737 MAX 9 plane, according to the Wall Street Journal, which cited documents and unnamed individuals familiar with the probe. This photo released by the National Transportation Safety Board shows a gaping hole where the ... [+] paneled- over door had been at the fuselage plug area of Alaska Airlines Flight 1282. (National Transportation Safety Board via AP, F ...