What was found
AIRCRAFT WAS GROUNDED: MODERATE DIRTY SOCK / OIL SMELL FROM TAKEOFF WELL INTO CRUISE. ONLY SLIGHT SMELL INCREASE DURING LANDING IN FLIGHT DECK AND CABIN. SMELL INCREASED DURING DESCENT. ACCOMPLISHED WORK CARD 05-96-70 "08L00021001" SMOKE ODOR FUMES. TROUBLESHOT AND CONTAMINATION REMOVAL FROM AIR CONDITION AND PNEUMATIC IAW AMM 21-00-01 AS PRECAUTION. REMOVED & REPLACED RECIRCULATION AIR FILTER IAW AMM 21-25-01