- Alaska Airlines 737 May Have Left Boeing Factory Missing Bolts, N.T.S.B. SaysThe New York Times
- NTSB report says key bolts missing from door plug in Boeing blowoutCNN
- Bolts appeared to be missing from Boeing 737 Max door plug that blew off midflight, NTSB saysCNBC
- Federal watchdog says Boeing door plug blowout likely involved missing boltsAxios
- 4 bolts missing from Alaska Airlines door plug before blow-out: NTSB reportABC News