As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED WHILE AT CRUISE FL370 APPROXIMATELY 35 MINUTES AFTER TAKEOFF, NOTED AN ELECTRICAL HOT/BURNING ODOR. OXYGEN MASKS WERE DONNED AND AIRCRAFT DIVERTED TO KSFB. MAINTENANCE FOUND THE INSULATION MELTED AND NR 2 POWER LUG SHORTED ON THE LEFT WINDSHIELD. ALSO, FOUND WAS A DEFECTIVE POWER SUPPLY FOR THE OVERHEAD LIGHTING. LEFT WINDSHIELD AND POWER SUPPLY PART NUMBER 449-2 WERE REPLACED. AIRCRAFT WAS RETURNED TO SERVICE.