As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2281, PROP DE-ICE WILL NOT TEST ON TAXI WITH PROPS ABOVE 900. REPLACED 3061 K1 AND K5 RELAY, CLEANED AND INSPECTED NR 1 AND NR 2 PROP BRUSH BLOCK AND SLIP RINGS. REPLACED PROP DE-ICE TIME. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE