What was found
DFW - FLT 0499 - DURING APPROACH TO DFW WHEN LANDING GEAR EXTENDED, RT MLG INDICATED UNSAFE. ACCOMPLISHED ABNORMAL PROCEDURES, VISUALLY CONFIRMED LANDING GEAR EXTENDED, AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED RT MLG DOWNLOCK SENSOR. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)