As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE-OFF THE ENGINE QUIT. THE AIRCRAFT WAS DESTROYED. INVESTIGATION BY THE FAA INSPECTOR PROVED THAT THE PROBABLE CAUSE OF THE ENGINE FAILURE WAS ATTRIBUTED TO BOTH MAGNETO P-LEAD WIRES BEING GROUNDED OUT AGAINST A SCREW THAT SECURED THE LEFT-HAND INNER AND OUTER WINDOW TRIM PIECES.