What was found
DURING B INSPECTION, FOUND THE RT AND LT OVER WING EMERGENCY LIGHT INOPERABLE. THE ACFT WAS REMOVED FROM SERVICE. R & R THE NR 4 BATTERY AND CHARGER IAW AMM TASK 33-50-04-000-801-A, TASK 33-50-04-400-801-A, 33-50-04-000-802-A AND 33-50-04-400-802-A. ALSO PERFORMED OPC OF EMERGENCY LIGHTING SYS IAW W/C 33-700-17. NO DEFECTS NOTED AT THIS TIME AND OPC OF EMERGENCY LIGHTING SYS POWER SUPPLIES IAW W/C 33-700-19, NO DEFECTS NOTED AT THIS TIME. THE ACFT WAS RETURNED TO SERVICE.