Officials at Midway Airport used a crane to loop a harness around the belly of the Boeing 737 and move it toward a hangar where it will be studied by investigators. The pilots of a Southwest Airlines jet say they had trouble slowing the jet down. Federal investigators Saturday say the jet's reverse thrusters did not operate properly as pilots tried to slow the aircraft. However, the National Transportation Safety Board says it is unclear what role those problems played in causing the accident. The NTSB interviewed the plane's pilots, flight attendants and a witness today. The plane slammed into several cars, killing 6 year-old Joshua Woods of Leroy, Indiana and injuring at least ten other people.