As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, FLIGHT ATTENDANTS REPORTED CABIN AS BEING VERY WARM WITH SMOKE PRESENT. ALARM IN RIGHT LAVATORY ACTIVATED. CREW TURNED OFF BOTH PACKS AND SMOKE BEGAN TO DISSIPATE. FLIGHT WAS RETURNED TO GRB AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT TEMPERATURE CONTROLLER, RIGHT TEMPERATURE CONTROL VALVE AND RIGHT WATER SEPARATOR BAG AND OPERATIONAL CHECK NORMAL.