As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD FLT 5817 THE CREW REPORTED WING ANTI ICE FAIL DURING CLIMBOUT WHILE ENCOUNTERING ICING CONDITIONS. MESSAGE CLEARED AFTER EXITING ICING. MAINTENANCE INSPECTED AND FOUND LEAK COMING FROM SLEEVE ON DUAL TEMP CONTRL VALVE AND FROM DUAL HEAT EXCHANGER EXHAUST DUCT. THE SLEEVE AND NR 2 HEAT EXCHANGER EXHAUST DUCT WAS REPLACED. OPERATIONAL CHECKS WERE GOOD.