Southwest says it missed the inspections as in inadvertent oversight. The carrier voluntarily self-reported the incident and completed the required inspections within 10 days of doing so, according to the Journal. As for the inspections, the Journal says "six of the 46 affected aircraft turned out to have cracks -- some as long as four inches -- in the fuselage, according to one person familiar with details." The Journal adds that no accidents or incidents resulted from the problem.
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