As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, A VERY BAD ODOR CAME FOWARD FROM AFT CABIN. FA COMPLAINED. SMELLED IT IN COCKPIT. SHUT OFF THE NR 2 PACK. SEEMED TO ISOLATE ISSUE. PERFORMED VISUAL INSPECTIONS IAW TSM 05-50-00-810-831-A AND FOUND TO BE GOOD AT THIS TIME. ISOLATED PACK 1 AND PACK 2 ON ENGINE BLEED 1, ENGINE BLEED 2, AND APU BLEED. CABIN ODORS ISOLATED & IDENTIFIED TO PACK 2 IAW TSM 05-50-00-810-831-A.