What was found
DFW-CLT - FLT 1977 - ON APPROACH, AFTER GEAR EXTENSION, THE RIGHT MLG GREEN LIGHT WAS INOPERATIVE. THE FLIGHT CREW CHECKED THE GEAR POSITION THROUGH THE PERISCOPE AND FLEW BY THE TOWER TO CONFIRM THE GEAR WAS DOWN. THE A/C LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT MLG INDICATION LAMP. (M)