As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MEM-CLT - FLT 1222 - AFTER TAKEOFF, THE CABIN BEGAN TO FILL UP WITH SMOKE. THE AIR CONDITIONING PACKS WERE TURNED OFF AND THE FLIGHT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED BOTH WATER SEPARATOR BAGS. OPS CHECK OF PACKS OK. (M)