As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ONLY 26 HOURS OF OPERATION FROM NEW PARTS INSTALLED, MAGNETO QUIT PRODUCING SPARK. TROUBLESHOOTING FOUND THE POINT TIMING HAD DRIFTED OFF AND WAS UNABLE TO RESET WITHIN MANUAL LIMITS. PLASTIC CAM FOLLOWER WAS FOUND WORN OR MELTED. NEW PARTS INSTALLED AND FUNCTIONALLY CHECKED GOOD.