As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG FLIGHT NR 2340: EN ROUTE TO MSO, CAPTAIN'S WINDSHIELD HEAT FAILED WITH NO ASSOCIATED CAUTION LIGHT. ON DESCENT INTO GEG, WINDSHIELD HEAT RETURNED AND CAPTAIN'S WINDOW CLEARED. FLIGHT DIVERTED TO GEG. MAINTENANCE REMOVED AND REPLACED K1, K2 AND K7 (P/N JC-DYN103) PER AMM 30-41-01 PAGES 407-413. CAPTAIN'S WINDSHIELD OPS CHECK NORMALLY. AIRCRAFT RETURNED TO SERVICE.