What was found
ORD - FLT 1224 - EN ROUTE SAN-ORD, DURING CLIMB-OUT, DETECTED SMOKE AT COCKPIT. TURNED OFF LEFT SIDE PACK, SMOKE DISSIPATED. LANDED ORD WITHOUT FURTHER INCIDENT. REPLACED LEFT AND RIGHT SIDE COALESCER BAGS. PER PACK BURNOUT PER MM. NO SMOKE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)