What was found
WING ANTI-ICE FAIL MESSAGE ON EICAS DURING CRUISE, RETURNED TO DEPARTURE. MAINTENANCE REPLACED LT WING ANTI ICE VALVE, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WING ANTI-ICE FAIL MESSAGE ON EICAS DURING CRUISE, RETURNED TO DEPARTURE. MAINTENANCE REPLACED LT WING ANTI ICE VALVE, OPS CHECK GOOD.