As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE AIRCRAFT WAS ON A FLIGHT AND WAS DIVERTED DUE TO LOSS OF OIL PRESSURE. THE PILOT NOTICED THE OIL PRESSURE DROPPING OFF LINE AND THE TQ WAS FLUCTUATING. THE ENGINE AUTO FEATHERED ON ITS OWN AND THE PILOT SHUTDOWN THE ENGINE. THE ACFT DID AN UNEVENTFUL SINGLE ENGINE LANDING. THE ENGINE WAS REMOVED AND SHIPPED TO MFG FOR INVESTIGATION.