What was found
FLIGHT 2634, A PASSENGER AND F/A NOTICED AN ELECTRICAL BURNING ODOR IN MID CABIN DURING FLIGHT. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE SIDEWALL LIGHT BALLAST AT ROW 10 ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 12/08/10 SHV MAINTENANCE REMOVED AND REPLACED THE LIGHT BALLAST AT ROW 10A, OPERATIONALLY TESTED WITH NO DEFECTS OR ODOR, REMOVED THE MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.