Safety officials probing records of work on Southwest jets

Southwest Airlines says it will speed up inspections of dozens of used planes it bought from foreign airlines after federal regulators threatened to ground the jets because they might not meet all safety standards.The Federal Aviation Administration said Monday that Southwest agreed to complete the inspections by Jan. 31, and that the agency will take more action if necessary."Our actions did not stem from any suspected safety concerns with the aircraft but were an effort to reconcile and valida