As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT AT APPROX FL 300 THE AMBER LT IB WING ANTI-ICE MSG ILLUMINATED FOLLOWED BY THE LT OB WING ANTI-ICE AND THE LT WING SUPPLY BLEED LEAK CAS MSGS. WE READ THE MFG CHECKLIST FOLLOWED THE PROCEDURE AND WERE UNABLE TO EXTINGUISH ANY OF THE AMBER CAS MSGS. FOUND CUFF PANEL (LT) TEMPERATURE SENSOR WIRES BROKEN. REPAIRED WIRING IAW MODEL 680 WDM. 20-10-03. OPERATIONAL CHECK GOOD.