As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE, THE PILOT NOTICED A SLIGHT FLUCTUATION OF OIL PRESSURE FOLLOWED SECONDS LATER BY A LOUD NOISE AND ENGINE POWER LOSS. IT WAS SECURED AND THE ACFT WAS FLOWN BACK TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED. POST FLIGHT INSPECTION FOUND OIL DRIPPING FROM THE ENGINE AND POWER TURBINE BLADES FRACTURED.