As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTING FROM EWN THE CREW RECEIVED AN ANTI ICE DUCT WARNING MESSAGE. PER THE QRH THE CREW DECLARED AN EMERGENCY AND DESCENDED FROM ICING CONDITIONS THEN CANCELED THE EMERGENCY WITH ATC. PERFORMED BITE TEST OF THE AILC AND BLEED LEAK TEST OF BOTH LOOPS A AND B. BOTH LOOP TEST ARE OK AND AILC TEST PASSED. PERFORMED ENGINE RUN WITH WING ANTI-ICE ON IAW FIM 36-21-03-840-815. NO DEFECTS WERE NOTED.