As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYR - FLT 3707 - SMOKE WAS REPORTED COMING FROM WINDOW LIGHT ASSEMBLY ABOVE SEAT 9A WHILE AIRCRAFT WAS ON THE GROUND IN TYR. MAINTENANCE FOUND WINDOW LIGHT SOCKET LOCATED ABOVE 9A SEAT BURNED. DISCONNECTED WIRES TO LIGHT AND MEL'D LIGHT ASSEMBLY. WINDOW LIGHT ASSY WAS REPLACED IN DFW, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (X)