As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1039 - DURING APPROACH TO DFW WHEN LANDING GEAR EXTENDED, RT MLG DOOR LIGHT ON F/E PANEL DID NOT ILLUMINATE WHEN GEAR DOORS OPENED. ALL OTHER INDICATIONS NORMAL AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED RT MLG DOOR WARNING SWITCH. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)