As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FLICKERING, WHEN PROPELLER HEAT NR 2 A PHASE SELECTED AT 1050 RPM. INSPECTED AND CLEANED BRUSH BLOCK CONNECTOR AND SLIP RINGS WITH NO DEFECTS NOTED. REMOVED AND REPLACED THE NR 1 BRUSH BLOCK IAW MM 61-10-11. GROUND RAN AIRCRAFT. OPS CHECKED GOOD. OK FOR SERVICE.