What was found
ATL - FLIGHT 3067, THE CREW REPORTED LAV SMOKE WARNING & HAZE IN CABIN DURING FLIGHT. DIVERTED TO ATL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE OPS CHECK NR 1/ NR 2 PACKS IAW EMB 145 MM AMM 21-51-00. ALL OPS & INDICATIONS NORMAL. VISUALLY INSPECTED, NO DEFECTS NOTED. PLACED LAV SMOKE DETECTOR ON MEL CAT C CONTROL 128344 AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON FLIGHT 3067 FROM ATL THE CREW REPORTED LAV SMOKE WARNING AND SMOKE FROM UPPER DUCTS IN CABIN AFTER T/O, THE AIRCRAFT RETURNED TO ATL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE RAN NR 1/ NR 2 ENGINES. FOUND NR 2 ENG BLEED SYSTEM TO BE CAUSING SMOKE IN CABIN. PLACED ON MEL IAW 36-11-05, CAT C CONTROL 128351. THE AIRCRAFT WAS