What was found
APPROX 5 MIN AFTER DEPARTURE, WHILE CONDUCTING AFTER TAKE OFF CHECK LIST, THE FO NOTICED THE NR 1 OIL PRESSURE, HIGH 80 PSI EVERYTHING ELSE WAS NORMAL. NOTICED ODOR OF HOT OIL, RETARDED NR 1 POWER LEVEL, OK PRESSURE FOLLOWED SO DID THE ODOR. OPTED FOR PRECAUTIONARY LANDING. PERFORMED GEAR BOX PRESSURE CHECK FOR NR3 CARBON SEALS, LEAKING.