What was found
ORD-BDL - FLT 1460 - EN ROUTE SHORTLY AFTER TAKEOFF DETECTED SMOKE AND HAZE IN COCKPIT AND CABIN. RETURNED ORD AND LANDED WITHOUT FURTHER INCIDENT. REPLACED WATER SEPARATOR BAGS. TIGHTENED OIL COOLER SYSTEM B-NUT LINE AT LEFT SIDE APU COMPARTMENT. PERFORMED PACK BURNOUT CHECKS PER THE MM. NO SMELL OR SMOKE NOTED. LEAK CHECKS GOOD. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)