What was found
(CAN) DURING CRUISE, THE PILOT INITIATED AN ENGINE SHUTDOWN FOLLOWING A LOW OIL PRESSURE WARNING. THE FLIGHT RETURNED TO THE POINT OF ORIGIN WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED. POST FLIGHT INSPECTION FOUND METAL DEBRIS ON THE TURBOMACHINE CHIP DETECTOR AND NOISES WHEN ROTATING THE HIGH PRESSURE ROTOR. THE ENGINE WILL BE REPLACED AND FORWARDED FOR INVESTIGATION AND REPAIR.