As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG - "DEICE PRESS" CAUTION IN FLIGHT. NR 2 GREEN LAMP ON TAIL DOES NOT ILLUMINATE WHEN PRESSURIZED. DIVERTED TO GEG AND ACCOMPLISHED A UNEVENTFUL LANDING. REPLACED NR 6 DDV IAW AMM TASK 30-11-16-000-801, AND 30-11-16-400-801. FUNCTIONAL TEST GOOD. RETURNED TO SERVICE.