Southwest Airlines sues its mechanics

Southwest Airlines has accused its mechanics union of "coordinating" to undermine the airline's business by writing improper safety assessments that have taken a large number of aircraft out of service over the past three weeks, according to claims made in a new lawsuit filed in Dallas on Thursday.Southwest filed suit in U.S. District Court in Dallas against its mechanics union, claiming the American Mechanics Fraternal Association (AMFA) and its leaders have not done enough to stop what Southwe