As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) MAGNETO REPORTED FAILED. INSPECTION FOUND THE ELECTRODE ARM ON THE DISTRIBUTOR GEAR RIPPED OFF AND FREE SPINNING ON AXEL SHAFT. IT HAS BEEN NOTED THAT THIS PART HAS A HIGH FAILURE RATE, WITH THE ARM FOUND LOOSE ON APPROXIMATELY 60 PERCENT OF GEARS INSPECTED.