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Thread: Alaska Airlines 737-900 MAX loses a door in-flight out of PDX
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Old 7th Jan 2024, 21:09
  #294 (permalink)  
BFSGrad
 
Join Date: Mar 2015
Location: Virginia, USA
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Originally Posted by DaveReidUK
Incorrect assembly could be any of:

a) omitting the split pins
b) omitting the nuts and therefore the split pins
c) omitting the bolts and therefore the nuts and split pins

at any or all of the 4 bolt locations.

Any thoughts?
Two additional possibilities:

1. Incorrect size bolts or inferior bolt material.
2. Some portion of the door structure was damaged during installation by using an unapproved procedure (e.g., AA 191 or UAL 811)
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