As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, CREW REPORTED EMERGENCY LIGHTS CAME ON WHEN IN ''ARM'' POSITION EVEN IF THE GENERATOR IS ONLINE AND EXTERNAL POWER IS REMOVED. MAINTENANCE REMOVED AND REPLACED EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)