Boeing door plug hearings put embattled planemaker under NTSB scrutiny Fox Business‘Cockroaches of the factory’: Workers paint a picture of chaos and dysfunction at Boeing CNNNTSB, Boeing have not been able to identify who removed 737 MAX 9 door plug Yahoo FinanceBoeing interview transcripts paint picture of chaos in 737 Max assembly The Washington PostAlaska Air crew feared passengers were lost in midair blowout: ‘There is a hole in the plane’ New York Post