As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE WING ANTI-ICE SENSOR CAUTION MESSAGE ILLUMINATED DURING CLIMB. THE CREW FOLLOWED THE QRH AND RETURNED TO CLT. MAINTENANCE REPAIRED A CHAFED/SHORTED WIRE HARNESS IN THE LEFT WING LEADING EDGE AND REPLACED THE ANTI-ICE & LEAK DETECTION CONTROL UNIT WHICH FAILED DUE TO THE SHORTED WIRES. THE SYSTEM OPERATIONALLY CHECKED GOOD AND THE AIRCRAFT WAS RELEASED FOR SERVICE.