As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE DUCT WARNING MESSAGE EN-ROUTE. FLIGHT 4299-FILED CLOSED. THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 21696478 WITH THE FOLLOWING CORRECTIVE ACTION: "RAN BOTH ENGINES AND CHECKED WING ANTI ICE SYSTEM, IN REFERENCE TO THE CRJ 200 AMM. COULD NOT GET ANTI ICE DUCT WARNING MESSAGE TO APPEAR. ALL FLOW LINES REMAINED GREEN. ADDITIONALLY PERFORMED OPERATIONAL TEST OF BLEED AIR LEAK DETECTION SYSTEM, IN REFERENCE TO THE CRJ 200 AMM. OPERATIONAL CHECK WAS GOOD.