As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOTICED SMELL OF SOMETHING BURNING (NO SMOKE). CO-PILOT NOTICED RT PROP DE-ICE CB WAS POPPED AND SAW SPARKS EMITING FROM BETWEEN COWLING AND SPINNER. LANDING WAS UNEVENTFUL. FOUND PROP BRUSH BLOCK SHORTED. REPLACED BRUSH BLOCK, OPS CHECK OK.