What was found
DURING PREFLIGHT INSPECTION THE CREW REPORTED AN ELECTRICAL ODOR AT SEAT 6A. MAINTENANCE INSPECTED THE AIRCRAFT AND PLACED THE SIDEWALL LIGHT AT SEAT 6A ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. MAINTENANCE REMOVED AND REPLACED THE CABIN LIGHT BALLAST AT ROW 6A, OPERATIONALLY TESTED WITH NO DEFECTS OR BURNING ODOR, REMOVED MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.