What was found
ON FINAL APPROACH, EXPERIENCED LOSS OF RADIOS, NAVIGATION, TRANSPONDERS, GPS, AND AUTOPILOT. CREW IDENTIFIED A TRIPPED CIRCUIT BREAKER AND DUE TO PROXIMITY OF AIRPORT AND OTHER TRAFFIC, CREW OPTED TO LOAD SHED AND RESET BREAKER TO GET COMM RADIOS BACK. RESET BREAKER, DECLARED EMERGENCY. PERFORMED CHECKLIST. CIRCUIT BREAKER DID NOT TRIP AGAIN ONCE RESET. OPEN