What was found
STRONG SOCK SMELL IN COCKPIT & CABIN ON DESCENT PACK 1 REMOVED SMELL. DESCRIPTION OF ODOR/FUMES: TEMPORARY, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FLIGHT DECK AND FWD CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-CW TSM 05-50-00-810-831-A PERFORMED TSM 71-00-00-810-847-A CAT A STEPS 3A2 -3A3 NO FAULTS RECORDED STEPS 4A1 TO 4A3 HOC WITHIN LIMITS, OIL LEVEL AT -2 NO VISIBLE WETNESS ON ENGINE NOTED MOC 66906