As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)UPPER BEARING OF OIL COOLER BLOWER ASSEMBLY FAILED CAUSING LOSS OF BELT TENSION AND VIBRATION. BEARING DID NOT SEIZE, INDICATIONS TO PILOT WERE A BANG FOLLOWED BY SQUEALING OF THE BELT AND RUMBLING OFTHE BLOWER ASSEMBLY. A PRECAUTIONARY LANDING WAS CARRIED OUT. THERE WAS NO LOSS OF POWER OR CONTROL OF AIRCRAFT.