What was found
DURING INSPECTION WHILE TESTING THE EMERGENCY LIGHTING SYSTEM, THE LEFT FORWARD EXTERNAL EMERGENCY LIGHT, THE SERVICE DOOR EXIT MARKER LIGHT, AND LEFT AFT EXTERNAL EMERGENCY LIGHT WERE INOP. THE NR 1 BATTERY PACK WAS REPLACED FOR THE FORWARD EXTERNAL LIGHT, THE NR 2 INVERTER FOR THE SERVICE DOOR MARKER LIGHT, AND THE LIGHT ASSEMBLY FOR THE LEFT AFT EXTERIOR LIGHT. INVERTER P/N: 7824-1, LIGHT ASSEMBLY P/N: 30-25-10-3.