As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PACK ODOR DESCENDING THROUGH 8000 FEET TO TOUCHDOWN. MUSTY ODORIN COCKPIT ONLY NOT IN CABIN. ACCOMPLISHED JOB CARD 08L00021001 NO ODORS FOUND, ACCOMPLISHED A PRECAUTIONARY DECONTAMINATION OF THE AIR DUCTS. PER AMM 21-00-01.