As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN ENGINE 2 ANTI-ICE FAIL MESSAGE ON CLIMB. THE AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND RELEASED THE AIRCRAFT IAW MEL PROCEDURES. MAINTENANCE INSPECTED AND REPLACED THE NR 2 ENGINE ANTI-ICE VALVE AND NR 2 ENGINE ANTI-ICE PRESSURE TRANSDUCER. OPERATIONAL CHECKS WERE GOOD.