As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT 757099: BURNING ELECTRICAL SMELL COMING FROM L2 SLIDING WINDOW ELECTRICAL CONNECTOR AREA. RESOLUTION: PERFORMED OPERATIONAL AND VISUAL INSPECTION. NO ARCHING OR VISIBLE DAMAGE IAW AMM 30-41-00-00-801. NO DEFECTS FOUND AT THIS TIME. A/C OK FOR SERVICE.