As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE, ENGINE ANTI-ICE DISPLAYED AND ENGINE ANTI-ICE VALVE LIGHT REMAINED ILLUMINATED WITH SWITCH OFF. NR 1 REMOVED AND REPLACED LEFT ENGINE ANTI-ICE VALVE PER AMM. NO HELP. REPLACED NOSE COWL ANTI-ICE VALVE FROM KNOWN GOOD NR 2 ENGINE AS PER AMM.