As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
7400-STL-CREW REPORTED FORWARD AND AFT EMERGENCY LIGHTS FLICKERED ON AND OFF WITH AN ELECTRICAL BURNING SMELL IN THE CABIN. MAINTENANCE INSPECTED, FOUND DEFECTIVE LIGHT SOCKET AT SEAT 18AB LATERAL LIGHT, CAUSING SMELL. MAINTENANCE DISABLED LIGHTING BALLAST. EMERGENCY LIGHTING WAS NOT EFFECTED. MAINTENANCE DEFERRED LATERAL LIGHT AT 18AB. MAINTENANCE CLEARED MEL AT SEAT 18AB BY REMOVING AND REPLACING THE LIGHT SOCKET.