What was found
FLT#788, SXM-JFK. 'DESCENDING THROUGH 7000 TO 5000 FEET STRONG MUSTY DIRTY SOCK SMELL DETECTED BY BOTH PILOTS. NO ODOR IN CABIN, ODOR WS COMING FROM COCKPIT VENTS. TURNED OFF PACK 1 AND THE ODOR WENT AWAY. LAST ODOR EVENT ON 7-14-22; PERFORMED LEVEL A DECONTAMINATION ON THE ECS USING APU AND ENGINE BLEED IAW AMM 21-00-00-615-802A. NO ODOR IS PRESENT. INSPECT APU AND ENGINE, NO OIL LEAKS PRESENT. A/C OK FOR CONTINUE SERVICE PER INFO NOTICE 2-17-T0151.'