As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT FLICKER MULTIPLE TIMES DURING FLIGHT. CLEANED AND INSPECTED NR 1 AND 2 BRUSH BLOCK ASSY. CHECKED FOR OBVIOUS DEFECTS IN ASSOCIATED CONNECTOR PLUGS AND WIRING, WITH NO DEFECTS NOTED. GROUND RAN AIRCRAFT. OPS CHECKED PROP HEAT. OPS CHECKED GOOD. OK FOR SERVICE.