As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) EXCESSIVELY HIGH OIL TEMP ON RT ENG DURING CRUISE. TROUBLESHOOTING CARRIED OUT. THE FOLLOWING COMPONENTS WERE REPLACED, THERMOSTATIC BYPASS VALVE, ENGINE OIL TEMP BULB & OIL COOLER. TEST FLIGHT WAS CARRIED OUT WITH SATISFACTORY RESULTS & THE ACFT WAS RETURNED TO SERVICE.