What was found
AIR QUALITY EVENT DURING DESENT, STRONG SMELL IN COCKPIT, SWEET OK TYPE SMELL TOXIC FUMES TYPE, TURNED PACK 1 OFF, SMELL WENT AWAY-PERFORMED IDENTIFICATION OF CABIN ODOR IAW TSM 05-50-00-810-831 PERFORMED ENG RUN IAW AMM 71-00-00. COULD NOT DUPLICATE CAUSE OF ODOR. A/C OKAY FOR CONTINUE SERVICE. NO EVIDENCE OF OIL LEAKS.