What was found
EMERGENCY DECLARED AT 8,000 FT, CLIMBING OUT OF ATL, DUE TO SMOKE SMELL REPORTED IN AFT CABIN. RETURNED TO ATL. MAINTENANCE FOUND EVIDENCE OF LAV FLUID COMING FROM FUSELAGE DRAINS. FOUND LAV FILL LINE LOOSE, TIGHTEND SAME. PERFORMED DUCT BURNOUT PER M/M. REPLACED COALESER BAGS, NO SMOKE SMELL NOTICED.