As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER ANTI ICE INDICATION ON UPPER DISPLAY WITH ENGINE ANTI-ICE SWITCH IN OFF POSITION OCCURRED ABOUT 5000 FT ON APPROACH. VERIFIED LIGHT GOES OUT WITH A JUMPER DP1303. WIRING OK REF WDM 30-21-11 ACFT REQ A NEW TAI VALVE. REPLACED THE NR 2 ENGINE ANTI ICE VALVE IAW AMM 30-21-11-400-801. VALVE ACTUATES AS COMMANDED BUT POSITION INDICATION STILL FAILS. REPLACED GD3938-DC IAW SRM 51-40-02. ACCOMPLISHED A/I OPS CHECKED IAW AMM 30-21-00-710-801, INDICATION & OPERATION IS CORRECT.