As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON DESCENT FL180-FL100 WET/DIRTY SOCK/ OILY ODOR IN /FLIGHT DECK, NOTHING NOTED IN PAX CABIN. MAINTENANCE FOUND SLIGHT CONTAMINATION OF LEFT HAND PACK AND ACCOMPLISHED A DECONTAMINATION OF THE AIR CONDITIONING PACKS PER TASK CARD 26L00021013. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.