As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE ANTI-ICE VALVE SHOWING DISAGREEMENT WITH SWITCH WHEN SELECTED ON, AMBER TAI INDICATOR ON UPPER DU. ACFT GROUNDED. RAN NR 2 ENGINE VERIFIED DISAGREEMENT WITH SWITCH WHEN SELECTED ON AMBER TAI INDICATED. REPLACED NR 2 ENGINE COWL TAI VALVE IAW AMM 30-21-11-401. GROUND VERIFICATION SUCCSSFUL IAW TASK 30-21-11-401.