What was found
AIRCRAFT NOT GROUNDED, WET SOCK SMELL OCCURED DURING DESCENT STARTING AT APPROX 7000 FT. STARTED DISSIPATING AT 2000 FT. WAS GONE AFTER TOUCHDOWN. PILOTS AND ENTIRE CABIN SMELLED ODOR. BOTH PACKS ON, APU OFF. ACCOMPLISHED TASK CARD 21-000-001. NO ODOR DETECTED. PREFORMED TC 21-000-002 THIS ACTION CLEARS M313 MDDR #229248 (W/O: 547466, TASKCARD: NR-00002). C/W POST LEVEL 3 TASK CARD A32X-05-000-011. NO DEFECTS FOUND AT THIS TIME.