As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAINTENANCE WALK AROUND CHECK, THE LT SERVICE DOOR L2 EMERGENCY EXIT LIGHT WOULD NOR ILLUMINATE. MAINTENANCE DISCOVERED THAT THE BATTERIES WERE DISCHARGED. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK OF THE L2 EMERGENCY EXIT LIGHT IAW MM. LIGHT NOW FUNCTIONS NORMALLY. (K)