As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NOISE WAS HEARD FROM OIL COOLER FAN AREA ON SHUTDOWN. INSPECTION REVEALED NR 6 T/R DRIVESHAFT SUPPORT BEARING BOLT HOLES HAD ELONGATED AND ALLOWED THE T/R DRIVESHAFT AND FAN SHAFT TO MOVE OUT OF ALIGNMENT. NR 6 BEARING SUPPORT, BEARING AND BEARING TRANSMISSION WERE REPLACED. OIL COOLER FAN WAS REMOVED, INSPECTED AND REINSTALLED. FAN SHAFT BALANCE CHECK WAS CARRIED OUT AND THE AIRCRAFT WAS RETURNED TO SERVICE.