As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGERS COMPLAINED OF MUSTY ODOR THAT AFFECTED THE EYES. REMOVED & REPLACED THE WATER COALESCER IAW MM 21-70-00. REMOVED AND CLEANED FWD AND AFT EVAPORATOR FILTER. INSTALLED FILTERS IAW MM 21-51-00. PERFORMED ENGINE RUN AND VAPOR CYCLE CHECK. NO FURTHER DEFECTS NOTED AT THIS TIME.