As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STINK MUSTY SUCK SMELL ON TAKEOFF PACK 1 OFF REMOVE SMELL. DESCRIPTION OF ODOR/FUMES: CONTINUOUS AND DISCOMFORTABLE, DIRTY SOCKS/MUSTY DRY SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED ECS LEVEL C DECONTAMINATION IAW AMM 21-00-00 AND 36-12-00. NO SMELL FOUND AT THIS MOMENT. A/C OK FOR CONTINUED SVC. (REF LP 3377177-2 FOR FAULT ISOLATION)