What was found
FLT 612 - MCI - EMERGENCY DECLARED, NR 1 ENGINE INFLIGHT SHUTDOWN, LANDING UNEVENTFUL. NR 1 FUEL HEAT VALVE CAME ON IN FLIGHT. NR 1 OIL TEMP EXCEEDED LIMTIS (TIME IN YELLOW BAND) SHUTDOWN NR 1 ENGINE, RETURNED TO MCI. FOUND WIRE BURNED AT 'B' PIN ON NR 1 FUEL HEAT VALVE CONNECTOR. REPLACED NR 1 FUEL HEAT CONNECTOR PER MM 20-24-20. REPLACED NR 1 FUEL HEAT VALVE, PRECAUTIONARY PER MM 73-14-11. DRAINED NR 1 ENGINE OIL. REPLACED OIL SCREEN ELEMENT, SERVICED OIL TO FULL. LEAK AND OPS CHECK OK. PERFORMED OIL TEMP INDICATOR ADJUST/TEST PER MM 79-34-11, CHECKS OK. REPLACED P5-2 FUEL PANEL PRECAUTIONARY. PERFORMED EVALUATION FLIGHT. FUEL HEAT SYSTEM CYCLED IN FLIGHT. ALL INDICATIONS NORMAL. ALL OIL TEMP