As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A RT COWL ANTI-ICE WARNING AFTER TAKE OFF. C/W QRH AND MSG CLEARED. RT COWL ANTI-ICE WAS OFF IAW QRH, PILOT DECLARED AN EMERGENCY, NO PLACE TO GET OUT OF ICING CONDITIONS. AIRCRAFT REMOVED FROM SERVICE. COMPLIED WITH OPS CHECK OF COWL ANTI-ICE IAW AMM 30-22. OPS CHECKED GOOD.