As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR IN FLIGHT DECK. FLIGHT DIVERTED. IDENTIFIED CAUSE TO THE FO'S NR 1 WINDOW HEAT LOWER AFT CONNECTION AND ASSOCIATED WIRES AND CONTACTS. TURNING OFF WINDOW HEAT INDUCED CESSATION OF ODOR. AREA COOLED TO NORMAL TEMPERATURE. REPLACED FIRST OFFICER'S NR 1 WINDOW.