Southwest Airline Co. currently lacks the proper paperwork to confirm that three dozen of its jets meet all federal safety standards as regulators consider grounding the planes, reports the Wall Street Journal.
Why it matters: "Southwest's difficulty documenting the maintenance history of the used planes is unusual," writes the Journal.
Without the proper paperwork, Southwest and regulators cannot definitively say the planes are safe.
- The company told the Federal Aviation Administration the planes in question were purchased by foreign operators, and some of the previous repairs have been found to be substandard, per the Wall Street Journal.
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