As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - BAD ODOR EMANATING FROM THE AIR CONDITIONING SYSTEM. MAINTENANCE RAN THE PACKS WITH BOTH THE APU AND ENGINES AND COULD NOT DUPLICATE THE SMELL. THE MM OIL CONTAMINATION PROCEDURES WAS PERFORMED. BOTH RECIRC FILTERS AND ALL GALLEY VENT FILTERS WERE REPLACED. (M)