What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot took off with a known hot magneto. While refueling the aircraft the passenger (owner) turned off the main battery switch and the two magneto switches. After the refuel the pilot turned on the battery switch then started the airplane with both magneto switches in the off position. The pilot did not check to see if both magneto switches where in the on position. Shortly after takeoff the hot magneto turned off causing complete loss of power. The pilot attempted a restart but never checked the magneto switches. The aircraft landed in a field a few miles away from the airport.
As the FAA filed it
PILOT TOOK OFF WITH A KNOWN HOT MAGNETO. WHILE REFUELING THE AIRCRAFT THE PASSENGER (OWNER) TURNED OFF THE MAIN BATTERY SWITCH AND THE TWO MAGNETO SWITCHES. AFTER THE REFUEL THE PILOT TURNED ON THE BATTERY SWITCH THEN STARTED THE AIRPLANE WITH BOTH MAGNETO SWITCHES IN THE OFF POSITION. THE PILOT DID NOT CHECK TO SEE IF BOTH MAGNETO SWITCHES WHERE IN THE ON POSITION. SHORTLY AFTER TAKEOFF THE HOT MAGNETO TURNED OFF CAUSING COMPLETE LOSS OF POWER. THE PILOT ATTEMPTED A RESTART BUT NEVER CHECKED THE MAGNETO SWITCHES. THE AIRCRAFT LANDED IN A FIELD A FEW MILES AWAY FROM THE AIRPORT.