As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE RIGHT ENGINE OIL TEMPERATURE BEGAN STEADILY RISING. CREW PERFORMED A PRECAUTIONARY SHUTDOWN OF THE RIGHT ENGINE. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED THE FOLLOWING FUNCTIONS ON THE RIGHT ENGINE, INSPECTED MAG PLUGS, OIL SCREEN, FUEL HEAT VALVE, REPLACED OIL TEMPERATURE INDICATOR AND OIL TEMPERATURE BULB. LEAK AND OPERATIONAL CHECK OK.