Accident Overview
The pilot reported that he attempted to start the engine while it was still warm. During the attempt, he observed that the starter clutch was not engaging. He tried several positions of the throttle and mixture controls, but the engine did not start.
Actions After Failed Start
The pilot then turned off the master switch but inadvertently left the magneto switch in the ON position. He exited the airplane and rotated the propeller to assist the engine start. As he walked away to re-enter the airplane, the engine started.
Consequences
The airplane moved forward, struck a taxiway light, and came to rest in a ditch. The impact resulted in substantial damage to the left wing.
Pilot Report
The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.