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Misaligned Rivets Found on Ruptured Southwest Jet

NTSB finds fatigue cracks along tear in Boeing 737's skin

By Rob Quinn,  Newser Staff

Posted Apr 26, 2011 1:57 AM CDT

(Newser) – A federal investigation has revealed possible manufacturing flaws behind the mid-flight fuselage rupture of a Southwest Airlines Boeing 737 earlier this month. National Transportation Safety Board probers have discovered that rivet holes on one layer of the 15-year-old aircraft's skin did not line up properly with the layer below, reports the Wall Street Journal.

Fatigue cracks were found emanating from at least 42 of the 58 rivet holes along the tear, which caused a sudden cabin depressurization and forced pilots to make an emergency landing. The NTSB report did not speculate on whether the incident was a one-off manufacturing error or a systemic problem that could affect many other Boeing 737s still in service, CNN notes.

A section of the torn fuselage skin from the  Southwest Airlines plane is seen during a news conference in Washington.
A section of the torn fuselage skin from the Southwest Airlines plane is seen during a news conference in Washington.   (AP Photo/Jacquelyn Martin)
The Southwest Airlines plane sits in a remote area of Yuma International Airport after having a section of fuselage tear from the plane during a flight on Friday, April 1.
The Southwest Airlines plane sits in a remote area of Yuma International Airport after having a section of fuselage tear from the plane during a flight on Friday, April 1.   (AP Photo/Ross D. Franklin, file)
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COMMENTS
Showing 3 of 9 comments
JoeQ
Apr 26, 2011 11:23 AM CDT
Must have been a "Friday afternoon" fuselage.
JackNelsonSteward
Apr 26, 2011 8:47 AM CDT
How about that ... if you don't put them together right ... they break!!!
RinoHunter
Apr 26, 2011 8:26 AM CDT
Not only did the riveter screw up, but the supervisor that oversees the work and the FAA inspector that issues the Airworthiness Certificate have culpability.

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