ALBAWABA- The National Transportation Safety Board (NTSB) revealed in a preliminary report that four bolts crucial for securing the door plug on an Alaska Airlines Boeing 737 Max 9 were missing before the plug blew off during a flight last month, as reported by ABC News. According to Boeing records reviewed by the NTSB, damaged rivets were replaced by Spirit AeroSystems employees in September 2023, requiring the removal of specific ...