What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On 10/28/2020, privacy data omitted removed the aircraft from the hangar in preparation for flight. While hand turning the propeller in an attempt to prime the engine, the aircraft inadvertently started and began to move with no one at the controls. Mr. Mullen attempted to stop the aircraft. The aircraft pivoted on one wheel and struck the hangar. This resulted in substantial damage to that aircraft. Upon privacy data omitted review, the magneto switch was in the on position.
As the FAA filed it
ON 10/28/2020, ^PRIVACY DATA OMITTED^ REMOVED THE AIRCRAFT FROM THE HANGAR IN PREPARATION FOR FLIGHT. WHILE HAND TURNING THE PROPELLER IN AN ATTEMPT TO PRIME THE ENGINE, THE AIRCRAFT INADVERTENTLY STARTED AND BEGAN TO MOVE WITH NO ONE AT THE CONTROLS. MR. MULLEN ATTEMPTED TO STOP THE AIRCRAFT. THE AIRCRAFT PIVOTED ON ONE WHEEL AND STRUCK THE HANGAR. THIS RESULTED IN SUBSTANTIAL DAMAGE TO THAT AIRCRAFT. UPON ^PRIVACY DATA OMITTED^ REVIEW, THE MAGNETO SWITCH WAS IN THE ON POSITION.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.