As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF, THE AFT FLIGHT ATTENDANT REPORTED THE AFT CABIN WAS FILLING WITH SMOKE. RETURNED TO AIRPORT. PERFORMED TROUBLESHOOTING OF AIR CONDITIONING SYSTEM. FOUND DIRTY WATER SEPARATOR. CLEANED SAME. INSPECTED ALL INTERIOR PAX CABIN FOR EVIDENCE OF SMOKE. PRESSURIZED AIRCRAFT FOR 45 MINUTES. ALL CHECKED GOOD. CHECKED ALL LIGHTING AND BALLASTS. ALL GOOD. NO ELECTRICAL OR SMOKE ODOR NOTED. AIRCRAFT RETURNED TO SERVICE.