What was found
WITH MAIN BATTERIES OFF AND ALSO DISCONNECTED (EMERGENCY LIGHTS ALSO OFF), 3 CABIN LIGHTS INLINE WITH THE EMERGENCY LIGHTING SYSTEM (LEFT FORWARD TABLE AND LEFT AFT READING LIGHTS AND LEFT AISLE CENTER) REMAIN ON AS WELL AS THE EXTERIOR ENTRY LIGHT. ENTRY LIGHT SWITCH SELECTED OFF. CORRECTIVE ACTION: RESET 2 EMERGENCY BATTERY G SWITCH AND VERIFIED 3 CABIN LIGHTS INLINE WITH THE EMERGENCY LIGHTING SYSTEM (LEFT FORWARD TABLE AND LEFT AFT READING LIGHTS AND LEFT AISLE CENTER) REMAINED OFF AS WELL AS THE EXTERIOR ENTRY LIGHT ONCE G SWITCH WAS RESET. REF. AMM 33-50-01.