What was found
IAH - FLIGHT 4369, THE CREW REPORTED THAT THE OVERHEAD CEILING LIGHT AT ROW 4 ADJACENT TO SEAT 4D STARTED SMOKING. THE AIRCRAFT LANDED AT OIAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THA AIRCTRAFT AND PLACED THE OVERHEAD LIGHT ON MEL 33-20-00-2, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. *** SDR FILED OPEN PENDING FINAL CORRECTIVE ACTION*** **SUPPLEMENTAL*** ON 09/29/18 TYS MAINTENANCE REMOVED AND REPLACED THE AFFECTED LIGHT ASSEMBLY ABOVE ROW 4D, OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. SDR CLOSED