What was found
(CAN) LOW OIL PRESSURE & IFSD DURING FLIGHT, THE CREW OBSERVED A LOW OIL PRESSURE WARNING AND PRESSURE FLUCTUATING. SUBSEQUENTLY, OIL TEMPERATURE WENT TO 117C AND PRESSURE WENT TO 25 PSI. THE CREW ELECTED TO SHUTDOWN AND SECURE THE ENGINE AND RETURN TO HOME BASE WHERE AN UNEVENTFUL LANDING TOOK PLACE. TROUBLESHOOTING IS ON-GOING.