What was found
AFTER DEPARTURE ENGINE NR 3 OIL TEMPERTURE INCREASED TO 160, PERFORMED ALTERNATE PROCEDURE, NO HELP. SHUT DOWN ENGINE, DUMPED FUEL TO LAND. MX INSPECTED INLET & EXHAUST OF NR 3 ENGINE; INLET OK, EXHAUST SHOWS EVIDENCE OF OIL LEAK, SUSPECT NR 6 BEARING SEAL. PERFORMED T/S, OIL LEVEL OK. INSPECTED MAIN OIL SCREEN FOR CONTAMINATION, NORMAL CARBON DEPOSIT FOUND, FUEL DEICING CHECKS OK, NR 4 & NR 5 BEARING TEMP IND WERE DARK. INSTALLED NR 4 & NR 5 BEARING OIL LINE TEMP INDICATORS AS REQUIRED. REMOVED & REPLACED NR 6 OIL PUMP. LEAK CHECK NORMAL. INSTALLED NR 3 THRUST REVERSER IAW BOEING MM 78-30-0 AND MIXER IAW DUGAN MM 78-30-22. THRUST REVERSER OPS CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.