As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT UPON SELECTING ENGINE A / ICE FUME / DIRTY SOCK SMELL ENTERED COCKPIT. TURNED PACK 1 OFF + SMELL WAS ELIMINATED WITHIN 1 MINUTE. PERFORMED TSM 21-00-00-810-801-A. PERFORM TROUBLESHOOTING THROUGH PACK 1 DIDN'T FIND ANY ODOR AT THIS TIME. NO LEAKS FOUND AROUND ENGINE 1 AREAS