As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGERS IN LAST ROW AND AFT GALLEY COMPLAINED OF DIRTY/MUSTY ODOR. 6 PASSENGERS AND 3 F/A`S EXPERIENCED DIZZINESS/NAUSEA AND 1 F/A ALMOST FAINTED. ACCOMPLISHED TROUBLESHOOTING, AIR QUALITY JOB CARDS, FOUND AFT LAVATORIES TO BE SOURCE OF ODOR. ACCOMPLISHED LAVATORY SERVICING.