What was found
CLT - EN ROUTE BDL TO CLT, CREW REPORTED THAT DURING TAKEOFF AND LANDING, A VERY STRONG SMELL OF DIRTY SOCKS WAS PRESENT IN THE COCKPIT. SMELL WAS NOT AS NOTICEABLE DURING CRUISE. FLIGHT LANDED WITHOUT INCIDENT IN CLT. MAINTENANCE COMPLIED WITH JOB CARD 03L00021001. FOUND RESIDUAL WATER RETAINED IN EXTRACTOR. REPOSITIONED VALVE. REMOVED WATER. REPLACED FILTERS. OPERATIONAL CHECK GOOD.