What was found
FLT 527 - KELP-KHDY - ON DEPARTURE FROM ELP, NR 1 ENGINE OIL TEMP INCREASED TO 140 CELSIUS. ADVACED THRUST LEVER ENG TEMP REDUCED TO 126 CELSIUS. AFTER 1 HOUR AT CRUISE, TEMP INCREASED AGAIN TO CAUTION BAND THROTTLE HAD NO EFFECT. AFTER 14.5 MINUTES, PRECAUTIONARY ENG SHUTDOWN. REMOVED AND REPLACED ENG FUEL HEAT VALVE AND FUEL/OIL COOLER ON NR 1 ENG. IDLE RUN NO LEAKS NOTED IAW MM 79-20-1. DRAINED ENG OIL, CHECKED FILTER AND REPLACED. REPLACED OIL TEMP BULB CANNON PLUG. (M)