As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A HIGH OIL TEMPERATURE WARNING MESSAGE OCCURED FOR THE RIGHT HAND ENGINE, DURING THE TAXI FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND OIL COOLER DOOR THERMAL VALVE, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 79-32-01. OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.