What was found
NOTICED A FAINT DIRTY SOCK ODOR AT APPROXIMATELY 8,000 DURING DESCENT. DURING LANDING ROLL, DURTY SOCK SMELL RETURNED AND WAS MUCH STRONGER. WE TURNED OFF BOTH PACKS AND THE ODOR CLEARED. NR 2 ENG OVER SERVICED BY 1QT. DRAINED OIL AS NEEDED TO CORRECT OIL LEVELS. REPLACED SHAFT COVER SEAL, CLEANED SPINNER CONE, BLADE PLATFORM, AND LPC INLET AREA AS ABLE, REF A321 AMM 72-11, 72-15. PERFORMED #1 ENG WATER WASH. (LP 7493984, 1202373)