As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW SMELLED SMOKE IN COCKPIT, DECLARED AN EMERGENCY. ON DECENT CREW NOTICED THE SMOKE IN THE VICINITY OF THE PILOT'S WINDSHIELD. CREW CYCLED OF THE WINDSHIELD HEAT AND THE SMOKE DISSIPATED. ONCE ON THE GROUND, MAINTENANCE TROUBLESHOOTING CONFIRMED THE WINDSHIELD CAUSED THE ISSUE. THE WINDSHIELD WAS REPLACED. A COMPANY HAZARD REPORT WAS FILED, AND THE DISCREPANCY WAS LOGGED IN THE COMPANY CASS SYSTEM.