Boeing faces $3.1M fine for door plug blowout, hundreds of safety violations

The National Transportation Safety Board recently issued findings from its investigation into the door plug incident. The NTSB said in June that “the probable cause of this accident was the in-flight separation of the left MED [mid exit door] plug due to Boeing’s failure to provide adequate training, guidance, and oversight necessary to ensure that manufacturing personnel could consistently and correctly comply with its parts removal process.” The NTSB also said the FAA’s…