What was found
ON CLIMBOUT NR 1 OIL TEMPERATURE EXCEEDED 120 DEGREES. ACCOMPLISHED ABNORMAL PROCEDURES. NR 1 FUEL HEAT WOULD NOT SHUT OFF. OIL QUANTITY BEGAN TO DECREASE. ALL ABNORMALS ACCOMPLISHED. SECURED NR 1 ENGINE PEAK TEMPERATURE 155 DEGREES FOR 5 MINUTES. FOUND NR 1 ENGINE FUEL OIL COOLER INLET LINE LEAKING OIL AT B-NUT. REPLACED O-RING WITH SERVICEABLE P/N: MS9388-016. MOTORED ENGINE PER JRH 5.2. NO LEAKS NOTED PER M/M 79-20-01. NR 1 FUEL HEAT WOULD NOT SHUT OFF. REMOVED AND REPLACED FUEL DE-ICING AIR VALVE IAW B-727 M/M 73-14-11. OPERATIONAL CHECKED GOOD.