As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION, THE TUBE USED TO MOUNT ENGINE OIL TANK FOUND CRACKED AT THE RIGHT REAR TANK MOUNTING POINT. THE CRACK ENCIRCLED THE TUBE, BUT DID NOT MEET. DURING REPAIR, NO EVIDENCE OF INTERNAL CORROSION ON TUBING OTHER THAN AT CRACK AREA.