As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE IN CRUISE, THE LT ENGINE TORQUE INDICATION BEGAN TO FLUCTUATE AND THE OIL PRESSURE BEGAN TO DROP. THE CREW DECIDED TO CONDUCT A PRECAUTIONARY ENGINE SHUTDOWN AND DIVERTED THE ACFT. AN EMERGENCY WAS DECLARED. THE ACFT LANDED WITHOUT FURTHER INCIDENT. A SUBSEQUENT INSPECTION OF THE ENGINE FOUND THAT THE OIL ADAPTOR ON THE REDUCTION GEAR BOX HAD FAILED.