Four bolts meant to keep the door plug on a Boeing 737 Max 9 from shifting up, then blowing wide open during flight are missing, and investigators are trying to determine what role, if any, they ...

The door plug fell off shortly after Alaska Flight 1282 took off on Jan. 5. Four bolts designed to prevent ... An event like this must not happen on an airplane that leaves our factory," Boeing ...

Four key bolts were missing when a door plug blew off a Boeing 737 MAX 9 jet ... One, what's wrong with this airplane? But two, what's going on with the production at Boeing?

CHICAGO -- Investigators from the National Transportation Safety Board on Tuesday said evidence shows four bolts that hold the door plug in place on ... not happen on an airplane that leaves ...

Airplane deliveries ... report found that the door plug appeared to have been removed and then reinstalled at a Boeing factory without four bolts needed to keep it attached. The 737 Max 9 includes ...

The hole left by the door ... four bolts that were intended to help secure the door plug to the plane were not reattached after the plug underwent repair work at Boeing’s Renton factory. The ...

The National Transportation Safety Board issued a preliminary report into last month's Alaska Airlines door plug blowout, saying evidence shows that four bolts ... happen on an airplane that ...

Four bolts were missing ... not happen on an airplane that leaves our factory. We simply must do better for our customers and their passengers.” What’s a ‘door plug’ and why do airliners ...

Bolts vital to keeping in place an Alaska Airlines airplane’s door plug may have been missing ... and are secured with four bolts that keep them from sliding off the hinges.

And yet neither Boeing nor the National Transportation Safety Board know how a 737 Max was delivered to Alaska Airlines without the four bolts needed to keep a door plug in place. What is known ...

United Airlines said Monday that it has found loose bolts during ... examining the door plug and the frame it was blown out of, as well as all the components used to keep it in place to determine ...