As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING AN ANNUAL INSPECTION A TECH FOUND CRACKS AROUND THE SPACER MOUNT BOLT HEADS ON REAR FACE OF BULKHEAD. THE PROP WAS REMOVED AND PARTIALLY DISASSEMBLED REAR BULKHEAD AND FOUND SUBSTANTIAL CRACKING UNDER CENTER REINFORCING PLATE ON FWD FACE OF REAR BULKHEAD.