Carriers Fleet News Today

Its concealed. that is the reason the aircraft under goes heavy maintenance. it was a year ago when the airplane is disassembled and every part is looked at. that most likely have been the last time that anybody would have looked up under here and seen this. it is a concealed part of the aircraft. >> reporter: for a second day in a row, southwest airlines has cancelled about 300 flights nationwide as a result of this after 79 boeing 737 series planes have been grounded for inspection. that accou...