As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, PASSING 11,000 FT THE CREW OBSERVED OIL PRESSURE FLUCTUATION WITH HIGH OIL TEMPERATURE. PILOTS SHUTDOWN AND SECURE THE ENGINE. AIR TURNBACK WAS PERFORMED, AN UNEVENTFUL SINGLE ENGINE LANDING AT ORIGIN POINT ACCOMPLISHED. POST FLIGHT INSPECTION REVEALED NO EXTERNAL OIL LEAK AND OIL LEVEL FOUND AT MID SIGHT GLASS. TROUBLESHOOTING ON-GOING.