As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AC BUSS CAUTION LIGHT, RT TRU AND ELEVATOR HORN HEAT CAUTION LIGHTS ILLUMINATED IN FLIGHT. CREW RETURN TO FIELD. MAINTENANCE FOUND WIRE CHAFED AGAINST NR 2 AC GCU. REPAIRED WIRE 20003A18B-1. R & R NR 2 AC GCU. GROUND RAN ACFT. NO DEFECTS NOTED. OK FOR SERVICE.