As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - INFLIGHT RETURNED TO LAX DUE TO SMOKE AND ELECTRICAL ODOR IN COCKPIT. LANDED WITHOUT INCIDENT. FOUND WIRE TO LEFT NUMBER ONE WINDOW HEAT CONNECTION BURNED. REPAIRED WIRE AND REPLACED LEFT NUMBER ONE WINDOW. SYSTEM GROUND CHECKED NORMAL OPERATION.