As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROP DE-ICE CAUTION ILLUMINATED WHEN HEATING NR 1 PROP, DIVERTED FLIGHT. LANDING UNEVENTFUL. INTERROGATED CDS AND FOUND TMCU1 FAULT CODE PHASE A AND B. INSPECTED PROP DEICE LEADS AND FOUND NR 4 BLADE AT 1 PROP DEICE LEAD DAMAGED. R & R DEICE LEAD IAW AMM 61-10-06-000-805 AND 61-10-06-400-805. OPS CHECK GOOD. RETURNED TO SERVICE.