As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FUEL HEAT SYSTEM CYCLED ON INTERMITTENTLY WHILE SELECTED OFF. OIL TEMPERATURE EXCEEDED NORMAL LIMITS AND A PRECAUTIONARY ENGINE SHUTDOWN WAS ACCOMPLISHED. THE FLIGHT RETURNED TO MEM LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED THE FUEL HEAT VALVE AND CHANGED THE ENGINE OIL AND FILTER. SYSTEM OPERATION WAS SATISFACTORY, AIRCRAFT RETURNED TO SERVICE.