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A report from the NTSB said the Ontario-bound Alaska Airlines Boeing 737 Max 9 plane was missing bolts when its door plug blew out in midair. ... drilled into the window frames of some 737 Max ...
The door plug is held in place, in part, by 12 “stop pads” designed to prevent it from blowing outward, but in this case it appeared to slip upward and around the pads.
Investigators from the National Transportation Safety Board on Tuesday said evidence shows four bolts that hold the door plug in place on the Boeing 737 Max 9 were missing at the time of last ...
This design of door can be lighter than a plug door of the same dimensions due to the need for reinforcing the opening around a plug door. A door plug, not to be confused with a plug door, is used in some of Boeing's 737-900ER [2] and MAX 9s instead of an actual emergency exit door. It can be removed outwards for maintenance and requires stop ...
A firestop or fire-stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire-resistance-rated wall or floor assembly. . Firestops are designed to maintain the fire-resistance rating of a wall or floor assembly intended to impede the spread of fire and
A bung can be defined as "a plug or closure used to close an opening in a drum or barrel. It is called a plug when referring to a steel drum closure." [1] A glass stopper is often called a "ground glass joint" (or "joint taper"), and a cork stopper is called simply a "cork".
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A Boeing 737 Max 9 earned its certificate of airworthiness on October 25, six days before it found its home with Alaska Airlines.