As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CUSTOMER REPORTED MAG DEAD. WHEN INSPECTED FOR WARRANTY RETURN THE DISTRIBUTOR GEAR DID NOT TURN WHEN THE MAGNETO ROTOR WAS TURNED. THIS INDICATES THE ROTOR IS PROBABLY BROKEN AT THE CAM SLOT LOCATION. SEE SDR 20110209025 FOR SIMILAR PROBLEM WITH ANOTHER MAG, SAME P/N AND ONLY 0218 SOONER IN THE PRODUCTION RUN.