As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FLICKERED ON IN CRUISE FLIGHT WITH PROP HEAT ON. INSPECTED WIRING AND CHECKED RESISTANCE FOR NR 1 AND NR 2 BRUSH BLOCKS AND SLIP RINGS. CHECKED GOOD. INSTALLED PANELS. FOUND HEATER LEAD CRACKED ON NR 200 NR 3 BLADE. R & R HEATER LEAD IAW MM 61-13-00. GROUND RAN ACFT. NO DEFECTS NOTED AT THIS TIME.