As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ILLUMINATED FOR 12 SECONDS THEN EXTINGUISHED ABOUT EVERY 5 MINUTES OF FLIGHT. PROP HEAT WAS SELECTED ON. INSPECTED BOTH BRUSH BLOCKS, NO DEFECTS NOTED. GROUND RAN ACFT AND CYCLED THROUGH BOTH PROP HEAT TIMES. OPS CHECK GOOD OK FOR SERVICE.