As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT ANTI-ICE VALVE LIGHT REMAINS BRIGHT BLUE, WHEN THE SWITCH IS POSITION TO ON. THE TAI LIGHT ON THE ENGINE DISPLAY IS GREEN WHEN SWITCH IS POSITION ON. ACFT GROUNDED. REPLACED NR 1 ENGINE NOSE INLET COWL TAI VALVE REF MM 30-21-11. OPS CK OK.