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[...] why did the left hand (LH) mid-exit door plug blow off of the 737-9 registered as N704AL? Simple- as has been covered in a number of articles and videos across aviation channels, there are 4 bolts that prevent the mid-exit door plug from sliding up off of the door stop fittings that take the actual pressurization loads in flight, and these 4 bolts were not installed when Boeing delivered the airplane, our own records reflect this.
As a result, this check job that should find minimal defects has in the past 365 calendar days recorded 392 nonconforming findings on 737 mid fuselage door installations (so both actual doors for the high density configs, and plugs like the one that blew out). That is a hideously high and very alarming number, and if our quality system on 737 was healthy, it would have stopped the line and driven the issue back to supplier after the first few instances.
The mid-exit doors on a 737-9 of both the regular and plug variety come from Spirit already installed in what is supposed to be the final configuration and in the Renton factory, there is a job for the doors team to verify this "final" install and rigging meets drawing requirements. In a healthy production system, this would be a "belt and suspenders" sort of check, but the 737 production system is quite far from healthy, its a rambling, shambling, disaster waiting to happen. As a result, this check job that should find minimal defects has in the past 365 calendar days recorded 392 nonconforming findings on 737 mid fuselage door installations (so both actual doors for the high density configs, and plugs like the one that blew out). That is a hideously high and very alarming number, and if our quality system on 737 was healthy, it would have stopped the line and driven the issue back to supplier after the first few instances. Obviously, this did not happen. Now, on the incident aircraft this check job was completed on 31 August 2023, and did turn up discrepancies, but on the RH side door, not the LH that actually failed. I could blame the team for missing certain details, but given the enormous volume of defects they were already finding and fixing, it was inevitable something would slip through- and on the incident aircraft something did. I know what you are thinking at this point, but grab some popcorn because there is a plot twist coming up. [....]
(Score: 2) by DadaDoofy on Thursday January 25 2024, @04:12PM (4 children)
Why bother attacking the source when you admit the information is true? Here, is this source less triggering?
https://ecodiscussion.com/40-of-french-favor-lifetime-flight-limits-due-to-climate-change-poll/ [ecodiscussion.com]
(Score: 3, Insightful) by Freeman on Thursday January 25 2024, @04:56PM (2 children)
Reputability of a source matters. For example, if you quote the "National Enquirer" or some other disreputable source. Generally, I'm not going to be taking what you say seriously.
Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
(Score: 2) by DadaDoofy on Thursday January 25 2024, @09:25PM (1 child)
Ok sure. But let me ask you this. If the National Enquirer, along with a dozen other publications you consider to be more reputable, report that the sun rose this morning, would you not take it seriously? That's essentially what happened here.
(Score: 2) by Freeman on Thursday January 25 2024, @09:43PM
Considering that the Sun not rising in the morning would be kind of a big deal. I certainly wouldn't go looking for the National Enquirer's input. Just because they too have eyeballs in their heads, doesn't make them any less of a gossip rag. I certainly wouldn't go to the National Enquirer for any useful discourse on the situation.
Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
(Score: 2) by janrinok on Thursday January 25 2024, @07:35PM
Because, as I pointed out, the survey indicated a small small sample, and that it was age related. Without a breakdown of the samples age groups and numbers the result is skewed.
Secondly, it is not a survey company that I have heard of before. I don't know how reputable they are.
[nostyle RIP 06 May 2025]