As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANTI-ICE DUCT WARNING MSG INFLIGHT, RAN QRH AND ADVISED TO AVOID ICING CONDITIONS. (EMERGENCY DECLARED AS A PRECAUTION) TROUBLE SHOT IAW 36-21-07. PERFORMED AILC BYTE TEST IAW AMM 630-12-12. OPS CHECK GOOD. PERFORMED ENG RUN. OPS CHECK IAW AMM 30-12-00, ALL MSG CLEARED SYS, OPS CHECK GOOD. (SDR CLOSED)