What was found
KPIA - KRSW TRIP ID NR 1004447 THE CREW REPORTED THAT WHILE THEY WERE ON FINAL APPROACH THEY DID NOT RECEIVE THE RT MLG DOWN INDICATION. A LOW PASS WAS MADE PAST THE TOWER TO CONFIRM THE LANDING GEAR POSITION. AN EMERGENCY WAS DECLARED AND CFR RESPONSE WAS GIVEN FOLLOWING AN UNEVENTFUL LANDING. MAINTENANCE DISCOVERED THAT THE INDICATOR LIGHT BULB WAS BURNED OUT. THE BULB WAS REPLACED AND A SATISFACTORY OPERATIONAL CHECK OF THE LIGHT WAS PERFORMED. THE AIRCRAFT WAS RETURNED TO SERVICE.