As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POSSIBLE FUME EVENT - AFT CABIN-IDENTIFIED PACK 2 AS THE CAUSE FOR THE FUME EVENT IAW TSM 05-50-00-810-831-A. SEE LP 3382610-2 FOR FAULT CONTINUATION. DESCRIPTION OF ODOR/FUMES: DIRTY SOCKS, CONTINUOUS AND DISCOMFORTABLE. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS, AFT CABIN/GALLEY (LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.