As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABOUT 25 MINUTES INTO FLIGHT, EMERGENCY LIGHTS FLICKERED AND RT AC BUSS CAUTION LIGHT ILLUMINATED, FOLLOWED BY ASSOCIATED CAUTION LIGHTS. PROP HEAT WAS SELECTED ON. R & R NR 2 BRUSH BLOCK ASSY. INSPECTED WIRES IN NR 2 AC CONTACTOR BOX. REPLACED TAPE ON WIRE 2421-10001H12A1. GROUND RAN ACFT, OPS CHECKED GOOD.