What was found
IAH - FLIGHT 2935, DURING PREFLIGHT INSPECTION THE CREW REPORTED A BURNING SMELL FROM SEAT 1A AREA. MAINTENANCE PLACED THE CEILING BALLAST AT ROW 1A ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 10/22/10 IAH MAINTENANCE REMOVED AND REPLACED THE AFFECTED CEILING BALLAST, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.