What was found
DFW - FLT 1122 - DURING CLIMB-OUT, GDL-DFW, MAIN LANDING GEAR DOOR OPEN LIGHT ILLUMINATED AND THEN WENT OUT. CONTINUED TO DFW AND LANDED WITHOUT INCIDENT. ADJUSTED LEFT MAIN LANDING GEAR DOOR UPLOCK TARGET. CYCLED LANDING GEAR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)