As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 3 A-ICE DISAGREEMENT, LEVEL ONE ALERT ILLUMINATED STEADY WITH SWITCH IN EITHER POSITION. ENG NR 3 ANTI-ICE VALVE - INOP, FOUND OLD VALVE WAS BINDING SEVERLY AND DISAGREE LIGHT SWITCH WAS INOP ON VALVE. REMOVED AND REPLACED NR 3 NOSE COWL ANTI-ICE VALVE.