What was found
FUMES ( DIRTY SOCK SMELL ) FROM PACK 1 ON DESCENT BELOW 10,000 AT IDLE , AIR QUALITY FORM FILLED UP. -PERFORMED CABIN ODOR INSPECTION FOUND PACK # 1 CAUSE OF ODOR IAW TSM 05-50-00-810-831-A NO OTHER ODOR PRESENT. SEE LOG PAGE 3609471-2 FOR CORRECTIVE ACTION.