What was found
FLIGHT 3861 ROC-BDL - DURING LANDING FLARE THE GEAR WARNING HORN SOUNDED AND CREW NOTED A FLICKER OF THE GEAR UNSAFE INDICATION. A GO-AROUND WAS INITIATED, THE LANDING GEAR WAS CYCLED, AND A FLY-BY OF TOWER SHOWED GEAR DOWN AND NORMAL. AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT SYSTEM, FOUND THE RIGHT MAIN GEAR DOWNLOCK PROXIMITY SWITCH WIRING AT FAULT. REMOVED AND REPLACED THE SWITCH AND PERFORMED RETRACTION TEST IAW DHC PROCEDURES. AIRCRAFT WAS RETURNED TO SERVICE.