What was found
DIRTY SOCKS SMELL IN COCKPIT ON APPROACH ( PACKS - A320 WITH MOD. 30626/MP K6443 (ENHANCED ECS) OR A321 WITH MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) )-PERFORMED TSM 05-50-00-810-831-A. CHECKED ENG #1, #2 AND APU OIL LVL IAW AMM 12-13-79 AND 12-13-49. NO OVERSERVICING NOTED AT THIS TIME. R/R BOTH RECIRC FILTERS IAW AMM 21-21-41. REACTIVATED PACK #1 IAW AMM 21-51-00 AND PERFORMED LEVEL A DECONTAMINATION OF BOTH PACKS. NO ODORS NOTED AT THIS TIME. THIS CLEARS MDDR # 103612. MOC NOTIFIED. PLACARD REMOVED. DESCRIPTION OF ODOR/FUMES: DIRTY SOCKS, CONTINUOUS AND DISCOMFORTABLE. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS, FLIGHT DECK. NO VISIBLIE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.