As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BUF - FL 1122 - EN ROUTE PIT/EWR - CREW NOTED SMOKE COMING FROM THE GLARE SHIELD. FLIGHT DIVERTED TO BUF AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LEFT WINDSHIELD P1 CONTACT DELAMINATING. THE WINDSHIELD AND HEAT CONTROLLER WERE CHANGED. (X)