As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OWNER-PILOT REPORTED BAD MAGNETO CHECK. RIGHT ENGINE LEFT MAGNETO INVESTIGATION FOUND LEFT MAGNETO WAS SEIZED AND COULD NOT BE TURNED BY HAND. PREVIOUSLY IT WAS THE RIGHT MAGNETO. REASON FOR MAG SEIZING IS EXCESSIVE HEAT, ALSO BEING PRESSURIZED. NO LOGS AVAILABLE FOR TIME ON PART.