Skift Take
A preliminary report from the NTSB found that the bolts meant to keep the door plug intact seemed to be missing before it blew off an Alaska Airlines jet.
Four bolts appeared to be missing on a door plug that blew off from a Boeing 737 Max 9 operated by Alaska Airlines, according to a preliminary report from the National Transportation Safety Board.
On January 5, a door plug suddenly fell off an Alaska plane just minutes after takeoff, leading to a rapid decompression on the aircraft. The incident had prompted the Federal Aviation Administration to ground the Max 9 for nearly a month.
Here is what the NTSB said:
The NTSB