What was found
ORD - FLT 845 - AFTER TAKEOFF ORD, AT APPROXIMATELY 3,000 FEET, LOST LEFT HYDRAULIC FLUID. FLIGHT ATTENDANTS REPORTED GRINDING NOISE AND THE SMELL OF SMOKE IN CABIN. LANDED ORD WITOUT INCIDENT. REPLACED LEAKING ELEVATOR HYDRAULIC ACCUMULATOR. CLEANED AREA AND REPLACED INSULATION BLANKETS. REPLACED APU DUE TO CONTAMINATION AND INGESTION OF HYDRAULIC FLUID. REPLACED COALESCER BAGS AND PERFORMED PACK BURN OUT. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)