Juan Browne on the AS1282 door loss - thinks it might have been from poor signoff requirements

The PFMEA at both Boeing and its sub-supplier is obviously in a woeful state.
This would be a RPN well over 100, and should have a full mitigation plan in place.
Obviously, that doesn't exist, or someone blew it off.
Either way, it's quite telling of the lack of commitment and controls at those companies.
 
The PFMEA at both Boeing and its sub-supplier is obviously in a woeful state.
This would be a RPN well over 100, and should have a full mitigation plan in place.
Obviously, that doesn't exist, or someone blew it off.
Either way, it's quite telling of the lack of commitment and controls at those companies.
Quality costs lots of money.
 
The PFMEA at both Boeing and its sub-supplier is obviously in a woeful state.
This would be a RPN well over 100, and should have a full mitigation plan in place.
Obviously, that doesn't exist, or someone blew it off.
Either way, it's quite telling of the lack of commitment and controls at those companies.
The fuselage panel that blew off an Alaska Airlines jet earlier this month was removed for repair then reinstalled improperly by Boeing mechanics on the Renton final assembly line, a person familiar with the details of the work told The Seattle Times.

If verified by the National Transportation Safety Board investigation, this would leave Boeing primarily at fault for the accident, rather than its supplier Spirit AeroSystems, which originally installed the panel into the 737 MAX 9 fuselage in Wichita, Kan.
“The reason the door blew off is stated in black and white in Boeing’s own records,” the whistleblower wrote. “It is also very, very stupid and speaks volumes about the quality culture at certain portions of the business.”

The self-described Boeing insider said company records show four bolts that prevent the door plug from sliding up off the door frame stop pads that take the pressurization loads in flight, “were not installed when Boeing delivered the airplane.” the whistleblower stated. “Our own records reflect this.”

NTSB investigators already publicly raised the possibility that the bolts had not been installed.


:oops::oops::oops::oops::oops::oops:
 
Hey Boeing... if you need an retired USAF Quality Control inspector I'll be happy to help...

qcmugyokota-1-jpg.135564
 
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From the WSJ:

"According to the Wall Street Journal, the bolts on the jet operating Alaska 1282 "appear to have been missing when the plane left Boeing's factory" after "the plane maker's employees failed to put back the bolts when they reinstalled a 737 MAX 9 plug door after opening or removing it during production."

This latest and "increasingly likely scenario" is "based partly on an apparent absence of markings on the Alaska door plug itself that would suggest bolts were in place when it blew off the jet around 16,000 feet over Oregon on Jan. 5," according to WSJ sources.

The door plug itself was found by a teacher in his Cedar Hills, Oregon, yard a few days after it had violently separated from the rest of the fuselage. In addition to the lack of physical indications on the door plug, WSJ cited "paperwork and process lapses at Boeing's Renton, Wash., factory related to the company's work on the plug door." "

Boeing Renton, their DER's, and the FAA had better get their act together.
 
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