A door panel that flew off a Boeing 737 Max 9 jet mid-flight on January 5 appeared to be missing four key bolts, according to an initial report by a US safety board investigating the incident.
Photo evidence released on Tuesday shows bolts were missing from the door plug, which had been removed to fix rivets that were damaged in the production process, according to the independent US National Transportation Safety Board report.
Until now, the NTSB had not said what caused the panel to rip off an Alaska Airlines-operated jet as the plane climbed to…
