As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 142 - DURING CRUISE, FLIGHT CREW NOTICED AN ELECTRICAL SMELL IN THE COCKPIT. FLIGHT AIR INTERRUPTED AND RETURNED JFK AND LANDED WITHOUT FURTHER INCIDENT. REPLACED CAPTAINS NR 1 WINDOW DUE TO TERMINAL BLOCK ARCHING. WINDOW HEAT CHECKED NORMAL WITH NO ELECTRICAL SMELL NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)