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Southwest Challenged Engine Maker Over Speed of Safety Checks

Southwest Airlines Co clashed with engine-maker CFM over the timing and cost of proposed inspections after a 2016 engine accident, months before the explosion this week of a similar engine on a Southwest jet that led to the death of a passenger, public documents showed. The proposed inspections would have cost $170 per engine for two hours of labor, for a total bill to U.S. carriers of $37,400, the U.S. Federal Aviation Administration said in its August 2017 proposal, citing the engine...

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