As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED DEFECTIVE RT MAGNET, OWNER REPORTED DEAD MAG ON RUN UP. REMOVED COVER, BREAKING FACTORY TORQUE SEAL. APRON INSPECTION FOUND THE ROTATING MAGNET CRACKED AND THAT THE SHAFT HAD SLIPPED ON THE SHAFT 6 TEETH FROM ALINEMENT WITH KEY WAY.