As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT SIGN LIGHT FOR THE AFT OVERWING HATCHES WERE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY EXIT SIGNS BATTERY PACK (B5-25) AND OPERATIONALLY CHECKED THE SYSTEM. THE AIRCRAFT WAS RETURNED TO SERVICE.