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Brian from Real Engineering thinks[1] a likely culprit is that the company that makes the fuselage doesn't completely secure the door plugs because they usually

Brian from Real Engineering thinks[1] a likely culprit is that the company that makes the fuselage doesn't completely secure the door plugs because they usually get removed to build out the interior of the plane according to the customer's desires. If Boeing actually didn't take the plugs out for that purpose, it's possible that there was a miscommunication that that was the case, or a missed step in the procedure documents that those need to be fully secured even if they were never removed. [1] https://youtu.be/hhT4M0UjJcg https://youtu.be/hhT4M0UjJcg (that part starts around 3:45)

jzl 3y ago
Watch this video, it has more fleshed out details of the probable cause of the miscommunication: https://youtu.be/XhRYqvCAX_k https://youtu.be/XhRYqvCAX_k
djmips 3y ago
From the article: The bolts were missing not loose. Boeing did not put in the bolts when they re-installed the doors. From my speculation: Somehow this escaped a quality inspection step due to a problem with a procedure where the bolts are not added to a checklist.
- bcrl 3y ago
  Go read the thread that claims to be a whistleblower inside Boeing (over here: https://www.airlinepilotforums.com/safety/146074-boeing-internal-whistleblower-re-max-door.html https://www.airlinepilotforums.com/safety/146074-boeing-inte... ). The claim is that the door plug was removed to repair a seal that was damaged while reworking rivets that failed inspection, but the door wasn't reinspected as it should have been. It's a pretty damning claim that will be a huge liability for Boeing as the FAA investigates the electronic chatter on internal systems about the plane that failed. The big question is how many more time-bombs like this are going to be found lurking inside of Boeing's SAT system.
- Dylan16807 3y ago
  > The bolts were missing not loose. The same explanation is plausible for either one. > Boeing did not put in the bolts when they re-installed the doors. Do we actually know for sure that they were re-installed?
  - deleted 3y ago
    [deleted]

jzl 3y ago

Watch this video, it has more fleshed out details of the probable cause of the miscommunication: https://youtu.be/XhRYqvCAX_k https://youtu.be/XhRYqvCAX_k

djmips 3y ago

From the article: The bolts were missing not loose. Boeing did not put in the bolts when they re-installed the doors. From my speculation: Somehow this escaped a quality inspection step due to a problem with a procedure where the bolts are not added to a checklist.

bcrl 3y ago
Go read the thread that claims to be a whistleblower inside Boeing (over here: https://www.airlinepilotforums.com/safety/146074-boeing-internal-whistleblower-re-max-door.html https://www.airlinepilotforums.com/safety/146074-boeing-inte... ). The claim is that the door plug was removed to repair a seal that was damaged while reworking rivets that failed inspection, but the door wasn't reinspected as it should have been. It's a pretty damning claim that will be a huge liability for Boeing as the FAA investigates the electronic chatter on internal systems about the plane that failed. The big question is how many more time-bombs like this are going to be found lurking inside of Boeing's SAT system.
Dylan16807 3y ago
> The bolts were missing not loose. The same explanation is plausible for either one. > Boeing did not put in the bolts when they re-installed the doors. Do we actually know for sure that they were re-installed?
- deleted 3y ago
  [deleted]