What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Ground crew was pulling the propeller thru before starting the aircraft. The throttle control was full forward in the maximum RPM position. The ground crew inadvertently left the magneto switch in the "on" position. Th e engine started when the propeller was rotated. The aircraft began to taxi on its own and struck a tetrahedron before continuing approximately 200 yards and striking trees at the edge of a wooded area.
As the FAA filed it
(-23) GROUND CREW WAS PULLING THE PROPELLER THRU BEFORE STARTING THE AIRCRAFT. THE THROTTLE CONTROL WAS FULL FORWARD IN THE MAXIMUM RPM POSITION. THE GROUND CREW INADVERTENTLY LEFT THE MAGNETO SWITCH IN THE "ON" POSITION. TH E ENGINE STARTED WHEN THE PROPELLER WAS ROTATED. THE AIRCRAFT BEGAN TO TAXI ON ITS OWN AND STRUCK A TETRAHEDRON BEFORE CONTINUING APPROXIMATELY 200 YARDS AND STRIKING TREES AT THE EDGE OF A WOODED AREA.