What was found
ON CLIMB-OUT ATL, WITH ENG ANTI-ICE ON, FLT ATT REPORTED ODOR AND SMOKE IN AFT CABIN. LAV SMOKE DET WENT OFF. ANTI-ICE TURNED OFF AND SMOKE DISSIPATED. DIVERTED TO CHA, CLEANED APU INLET. REPLACED COALESCER BAGS, PERFORMED DUCT BURNOUT.