As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- ON FLIGHT 2217 NOTICE STRONG BURNING ODOR ON FLIGHT DECK WITH WINDSHIELD HEAT IN WARM UP AND NORMAL. BEFORE GOING TO OFF, NOTICED LITE SMOKE FROM WIRES ON CAPTAIN'S SIDE WINDSHIELD. BOTH WINDSHIELDS FELT COOL TO THE TOUCH IN FLIGHT. REMOVED AND REPLACED WINDSHIELD HEAT CONTROLLER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.