What was found
DFW INFLIGHT - DURING CLIMB CREW COULD SMELL ODOR IN COCKPIT. FLIGHT ATTENDANT REPORTED SMELL AND SMOKE IN CABIN. TURNED PACKS TO COLD AND RETURNED TO DFW AND LANDED WITHOUT INCIDENT. SMOKE CLEARED PRIOR TO LANDING. FOUND LEFT THRUST REVERSER ACCUMULATOR LEAKING. REPLACED LEFT THRUST REVERSER ACCUMULATOR. PERFORMED BURN OUT OF HIGH PRESSURE PNEUMATIC DUCTING. SYSTEM GROUND CHECKED NORMAL OPERATION.