As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT 14TH DUCT WARNING MESSAGE ILLUMINATED. THE CREW FOLLOWED THE QRH, DIVERTED TO ILH, AND MADE AN UNEVENTFUL LANDING. THE AIRCRAFT WAS FERRIED TO CLT WHERE MAINTENANCE TROUBLESHOT THE SYSTEM IAW CRJ200 FIM 36-20-00. THE RT PYLON LOOPS WERE INSPECTED AND REPOSITIONED. EXTENSIVE GROUND RUN-UP AND OPERATIONAL CHECKS WITH ALL PNEUMATIC SYSTEMS ON WERE PERFORMED. NO FAULTS WERE FOUND. THE AIRCRAFT WAS RELEASED FOR SERVICE.