A key Boeing mechanic who worked on 737 Max doors was on vacation on 2 critical days before the Alaska Airlines blowout

NTSB via Reuters

• One Boeing mechanic was usually the only one who worked on door plugs, he told NTSB investigators.
• The 35-year veteran was on vacation during critical work on the Alaska Airlines 737 Max.
• A trainee with limited experience filled in, according to NTSB transcripts.

A Boeing mechanic who was usually the only one to work on door plugs was on vacation on two days that later proved critical to the Alaska Airlines blowout.