As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED 14TH STAGE DUCT RED MESSAGE AFTER TAKEOFF FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AIRCRAFT, REMOVED AND REPLACED DAMAGED RIGHT 14TH STAGE PYLON ANTI-ICE DUCTING AND HEAT SENSING ELEMENT AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.