As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE, THE ENGINE LOW OIL PRESSURE WARNING ANNUNCIATED. THE ENGINE WAS SHUTDOWN IN FLIGHT AND THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION REVEALED A LARGE OIL LEAK NEAR THE PROP CONTROL UNIT AND INPUT DRIVE HOUSING.