As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) APPROXIMATELY 25 MINUTES AFTER DEPARTING, THE CREW OBSERVED THE NR 1 ENGINE OIL TEMPERATURE CLIMBING THROUGH THE YELLOW BAND. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO POINT OF DEPARTURE. MAINTENANCE REPLACED THE NR 1 FUEL HEAT VALVE AND CONDUCTED THE APPROPRIATE OVERWEIGHT LANDING INSPECTION BEFORE THE AIRCRAFT WAS RETURNED TO SERVICE. (TC NR 20070911003)