As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MKE-PIT - FLT 1455 - DURING THE FLIGHT, A 'HOT PLASTIC' SMELL WAS NOTD IN THE COCKPIT. THE LEFT WINDSHIELD HEAT BUTTON WAS SELECTED OFF AND THE SMELL DIMINISHED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE THRUST RATING CONTROL PANEL. FUNCTIONALLY CHECKED OK. (M)