What was found
EMERG EXIT SIGN/LIGHT: WITH THE BATTERY SWITCH ON AND EMERGENCY LIGHT SWITCH TO ON, ALL INTERIOR EMERGENCY LIGHTS CHECK NORMAL. WHEN TURNING THE BATTERY SWITCH TO OFF AND EMERGENCY LIGHT SWITCH STILL ON, THE 3 AFT EXIT SIGNS DO NOT ILLUMINATE. CORRECTIVE ACTION: CHARGED BATTERIES WITH DC POWER FOR 2 HOURS. PERFORMED EMERGENCY LIGHT SYSYEM OPERATION CHECK AND FOUND ALL LIGHT TO BE WORKING AS STATED IN THE AMM, WORK DONE IAW CE560 AMM 33-50-00,