What was found
DURING TAXI OUT FWD FA SMELLED DIRTY SOCK SMELL, NOT REPORTED TO F.O. ON CLIMB OUT SMELL SENSED IN FD AND FWD GALLEY BUT DISSIPATED QUICKLY. ON APPROACH WITH POWER ADVANCING SMELL RETURNED TO FO IN CABIN. STARTED APU IMMEDIATELY AND SMELL DISSIPATED. SMOKE /FUMES FORM COMPLETED. FOUND OIL WETNESS ON RT ENG INBOARD SIDE AND PUDDLE OF OIL INSIDE OIL-AIR COOLER. (ORDERED PART) ADDED 1.5QTS OF OIL IN #2 ENG. STARTED W/C 0550-2001 AND W/C 0550-2002. 669730. C/W ODI PREVENTION PROGRAM ATA2172. C/W SOLUTION ID 1-8449 FOR ELIMINATION OF RESIDUAL ODORS. REF LOG 5002241 FOR ODOR FINDINGS. (LP# 5002240)