What was found
FUME EVENT AT 23,000 FT DESCENDING- DIRTY SOCK ODOR IN COCKPIT. CALLED CABIN, FA SAID NO SMELL. FA'S CALLED AT 14,000FT AND CONFIRMED DIRTY SOCK. RAN EQRH FUMES, FUMES DISSIPATED AT 10,000 W/ VENTILATION OVRD. C/A: PERFORMED WALKAROUND OF A/C, FOUND NO EVIDENCE OF FLUID LEAKS. REMOVED #1 ENG SPINNER CAP, SENT PICTURES TO MCC, NO OIL NOTED IN SPINNER. REINSTALLED CAP PER A319 AMM 72-21-00. (HOLTON, 2480362) REF MSI LOG 1875255 FOR FINDINGS AND CORRECTIVE ACTION. OK FOR SVC. (LP: 9203800, AIRCRAFT WAS GROUNDED)