What was found
(CAN) THE FLIGHT CREW OBSERVED A HIGH ENG OIL TEMP ON THE LT ENG. DECREASING THE POWER TO 30% FOR 10 MINUTES DID NOT DECREASE THE OIL TEMPERATURE. PILOT IN COMMAND CARRIED OUT AN INFLIGHT SHUTDOWN ON THE LT ENG & DIVERTED. ACFT LANDED UNEVENTFULLY. TROUBLESHOOTING IS ONGOING MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE & PROVIDE INFORMATION TO TRANSPORT CANADA THROUGH SUBSEQUENT SERVICE DIFFICULTY REVIEW MEETING & SUPPORTING DOCUMENTS OR OTHER AGREED UPON COMMUNICATIONS.