As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3166 - ATB - DUE TO LEFT WING ANTI-ICE VALVE FAULT WITH BLEED PRESSURE ABNORMAL MESSAGE. COULD NOT CONTINUE DUE TO WEATHER CONDITIONS. CORRECTIVE ACTION: REPLACED LT ENGINE PRV, OVERPRESSURE VALVE, AND LT WING ANTI-ICE VALVE. (LP 5414078)