As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PART IS DEFECTIVE.THE GREEN ANTI -ICE ADVISORY LIGHT WAS REMAINING ON REGARDLESS OF SWITCH POSITION. THE ANTI -ICE SOLENOID VALVE WAS REPLACED BUT DID LIGHT REMAINED ON. THE ANTI-ICE SOLENOID WAS REPLACED AGAIN AND THE PROBLEM WAS CURED. SOLENOID WAS REPLACED.