As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAF - FLT 3426 - EN ROUTE, THE NR 1 AUDIO CIRCUIT BREAKER TRIPPED AND EMITTED SMOKE. THE CREW DID NOT ATTEMPT TO RESET THE CB AND CONTINUED TO LAF, WHERE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE NR 1 AUDIO PANEL. ALL SYSTEMS OPERATED SATISFACTORILY. (X)