What was found
MIA - MAINTENANCE REPORTED THE FLOOR PROXIMITY EMERGENCY LIGHTS AT SEATS 1A, 3A, 4A, 6A, AND 7A TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK IN THE EMERGENCY LIGHT POWER SUPPLY UNIT IAW ATR MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)