As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE LEFT SIDE WINDOW HEAT SMOKING. SMELLS LIKE SULFER. MAINTENANCE REMOVED AND REPLACED THE CAPTAINS SLIDING WINDOW CONNECTOR. ALSO, REMOVED AND REPLACED CAPTAINS SLIDING WINDOW (L2). OPS CHECK GOOD. ALL WORK IAW BOEING 737 AMM 56-12-11.