As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLIGHT NR 1141 - ON CLIMB-OUT FROM CVG, THE WING ANTI-ICE MODULATING VALVE WOULD NOT OPEN. NO HEATING OBSERVED ON TEMP GAUGE. AIRCRAFT DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE WING-ICE MODULATING VALVE PER MM 30-10-02. OPERATION CHECKS NORMAL. (Z)