What was found
DFW - UPON GEAR RETRACTION, THE AMBER GEAR LIGHT REMAINED ON AND RECIEVED AND EICAS GEAR DISAGREE MESSAGE. RETURNED TO NORMAL AT 235 KNOTS DURING DESCENT. RETURNED AND LANDED DFW WITHOUT INCIDENT BUT OVERWEIGHT. REPLACED LEFT MAIN GEAR DOOR ACTUATOR. ACCOMPLISHED LANDING GEAR RETRACTION. ACCOMPLISHED OVERWEIGHT INSPECTION. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)