As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FAILED TO START. PROBLEM TRACED TO A BURNED THROUGH IGNITION COIL ON THE LT MAGNETO. COIL WAS BURNED THROUGH AT THE FRONT OF COIL (WHERE PN IS PRINTED) AND WAS ARCING TO THE MAGNETO CASE. MAGNETO IS ONLY 2 YEARS OLD AND ONLY HAS 250 HOURS TIME IN SERVICE SINCE NEW MANUFACTURE.