As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION AND REMOVAL OF ENGINE FOR OVERHAUL, ALTERNATOR BELT TENSION BRACKET WAS FOUND BROKEN AT THE END THAT IS BOLTED TO THE ENGINE NOSE CASE. ON THIS INSTALLATION A VIEW OF THAT TEND OF THE BRACKET IS VERY DIFFICULT TO SEE, WHEN THE BRACKET WAS DISCONNECTED FROM THE ALTERNATOR END, IT BECAME VERY APPARENT THE PART WAS BROKEN.