What was found
ON APPROACH, WHEN THE GEAR WAS SELECTED DOWN, CIRCUIT BREAKER TRIPPED. USED THE EMERGENCY LANDING GEAR EXTENSION. NO EMERGENCY WAS DECLARED. A SAFE LANDING WAS MADE. MAINTENANCE INVESTIGATION REVEALED DAMAGED AND CHAFED WIRING AT THE RIGHT GEAR SQUAT SWITCH CONNECTOR PLUG. WIRES WERE REPAIRED PER THE AWM, AND GEAR FUNCTION TESTED GOOD SEVERAL TIMES.