As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR DETECTED DURING DESCENT THRU 12000. PACK 2 WAS TURNED OFF. LANDED UNPRESSURZED-PERFORMED W/O 123300 TI2100-1706 DATA COLLECTION OF INSPECTION RESULTS OF AIRCRAFT AFTER SUSPECTED ODOR OCCURRENCE. R/R RECIRCULATION FILTER AS PER AMM 21-21-41. ACCOMPLISHED PACK BURNOUT AS PER AMM 21-00-00-615-003-A AND TSM 05-50-00-810-831-A. NO DEFECTS NOTED AT THIS TIME.