As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIR TURN BACK DUE TO ENGINE OIL TEMPERATURE INCREASING TO 107 CENTIGRADE DEGREES DURING CLIMB. CREW MEMBER DID QRH CHECKLIST AND NOTIFIED MOC. THE CREW WAS ADVISED TO REDUCE TORQUE AND DESCEND. THE OIL BY-PASS VALVE AND THERMAL ACTUATOR FUEL HEATER WAS REPLACED. AFTER SUCCESSFUL GROUND FUNCTIONAL CHECK CARRIED OUT ACFT WAS RETURNED TO SERVICE.