Air Canada Monday April 7, 1969
A fire in the left landing gear caused the plane to return for an emergency landing. After landing to a full stop, control was lost of the No.1 engine. Loss of control of the left main gear brakes caused the aircraft to circle to the right during the evacuation. Overheating of the starter selector relay during the starting of the No.1 and 2 engines. The proximity of a wire bundle to the relay provided a source of combustion for the initial fire.