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NTSB Finds Missing 737 Max 9 Door Plug in Teacher’s Backyard

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Federal officials have found the fuselage door plug blown off the Alaska Airlines flight on Friday night out of Portland, Oregon. According to National Transportation Safety Board Chair Jennifer Homendy, the door plug was found in the backyard of a Portland-area schoolteacher. (www.flyingmag.com) More...

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nasdisco
Chris B 23
Let’s face it. The door Bolted.
ToddBaldwin3
ToddBaldwin3 7
Good one. Dad joke worthy.
vblue0115
Vaughn Blue Jr 11
Correction: The NTSB did not find the door plug. The teacher found it & called in about it.
lwmorgan
Larry Morgan 4
I thought the teacher found the door not the NTSB
godutch
godutch 5
LOL...The NTSB DID NOT find the door...the TEACHER did. Lame-stream media sucks...
andyc852
Exactly what I thought!
sparkie624
sparkie624 4
Somebody would have found it sooner or Later... If it fell in my Back Yard, I would have reported before then NTSB came snooping in my backyard!
yarnoca1
John Yarno 2
"...sooo, whats it worth to ya?"
jbaugh3
john baugh 1
There's "a lesson to be learned" from all of this.
madcow
john smith 1
It is cold and flu season. What happened to everyone’s ear drums?
ed7778
Dennis Stockton -5
"...the door plug was found in the backyard of a Portland-area child indoctrinator.
Fixed it for you.
thenotoriousrob
rob strong -9
The pilot's laminated checklists flew out? Shouldn't the door to the cockpit have been closed? Did. It open? I also was under the impression that the pilots have the cockpit pressurized separately. No? Very strange.
And damage in row 1 first class? Tito's bottle?
ExCalbr
Victor Engel 6
If my calculations are correct, the difference in air pressure between 15000 feet (approximate altitude of the plane when the plug blew out) and 8000 feet (pressure normally maintained by pressurization) is about 2.6 psi. Multiply that over the area of the cockpit door. That's probably something like 3 tons. Suddenly apply 3 tons of pressure to a locked door, and I wouldn't be surprised if it blew open.
EB333
Erik Bruner 2
Thank you, you saved me from having to type it out.
And I concur with your approximate figures
Propwash122
Peter Fuller 6
The cockpit is not a separate pressure vessel. You could do that but it would involve significant cost, complexity, and weight penalties.

The cockpit door should be closed and locked so a passenger with bad intentions can’t gain access. Sounds like this door wasn’t locked and/or there weren’t sufficient vents to equalize the pressures before the door opened.

No doubt the NTSB will look at these things during their investigation.
ExCalbr
Victor Engel 4
Not a separate vessel. The separation is in the bleed air used to pressurize. The cockpit is pressurized from the left engine. The right engine bleed air is used to pressurize the rear of the cabin. The two work together to pressurize the whole space.
EB333
Erik Bruner 1
You left out forward cargo
sparkie624
sparkie624 7
When you have violent decompression like that, any thing can happen... and Yes... the NTSB is already on it! In a special training class a number of Decades ago, I got to go into an Altitude chamber... They showed us what Explosive decompression was like while being on the inside... I cannot explain the feeling, but I can assure you if you ever felt it, you would not forget it.
thenotoriousrob
rob strong 6
I read that the cockpit door was designed to open in case of evacuation. But Boeing kept that tidbit secret, so pilots were unaware. No idea if that's true or not, too much info to sift through and everyone is a so called expert.
cratermoon
Steven Newton 5
Juan Browne on the blancolirio got nearly livid when he started talking about how this was something nobody knew and compared it to the MCAS changes that were not communicated to pilots.
bobschaevitz
So if a hijacker blows a hole in the plane, the cockpit door will open automatically and then he has access to the cockpit???
sparkie624
sparkie624 5
In a previous article, when the door exited the plane, it sucked the Cockpit door open and thus apparently much of what came loose went to where ever

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