As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT PRESENT ODOR SMELLED IN COCKPIT WHILE DESCENDING BELOW 6,000 SELECTING PACK 1 OFF RESOLVED THE ISSUE.-APPLIED TSM 05-50-00. DUE TO CREW REPORT AND HISTORY, ISOLATED TO PACK 1. NO ODOR PRESENT. SEE NEXT LOG PAGE 3608208-2 FOR DEFERRAL