What was found
DURING CLIMB NR 2 ENG OIL TEMP REACHED 150'C. C/W QRH -PULLED PWR BACK AND REDUCED PWR. ENG OIL TEMP RETURNED TO NORMAL OPERATING RANGE. NR 2 ENG OIL TEMP CONSTANTLY 20' HOTTER THAN NR 1. MC- ON GRD @ IDLE READS 10-15' HOTTER THAN NR 1. AIRCRAFT REMOVED FROM SERVICE, REF W/O 348533 W/C 2,3,4,5 FOR REPLACEMENT OF AGB CARBON SEALS D,F,BB AND REPLACEMENT OF FUEL OIL HEAT EXCHANGER, AND OIL CONTAMINATION RECOVERY. OPS CHECK & LEAK CHECK, AND OIL CONSUMPTION TEST ARE SATISFACTORY.