As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- ON NR 2 ENGINE START, ALL SIX AC CIRCUIT BREAKERS POPPED AND EXPERIENCED SMOKE IN COCKPIT. PASSENGERS DE-PLANED THROUGH THE MAIN CABIN DOOR WITHOUT INCIDENT. REPLACED AC MONITOR DUE TO BURNT SMELL. PERFORMED AC SYSTEM OPERATIONAL CHECK. OPERATIONAL CHECKS NORMAL. AIRCRAFT RETURNED TO SERVICE.