What was found
DURING THE PREFLIGHT INSPECTION, THE CREW NOTICED THE EMERGENCY EXIT SIGN LIGHT OVER THE PAX DOOR INOPERATIVE. THE AIRCRAFT WAS FERRIED TO GRAND JUNCTION WERE MAINTENANCE TESTED THE SYSTEM. MAINTENANCE DETERMINED THAT THE BATTERIES WERE LOW DUE TO PROLONGED TESTING. MAINTENANCE REMOVED AND REPLACED ALL SIX EMERGENCY LIGHT BATTERIES. OPS CHECK GOOD AND THE AIRCRAFT RETURNED TO SERVICE. (M)