As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAINTENANCE TEAM DISCOVERED DURING MAINTENANCE CHECKS THAT THE FORWARD EMERGENCY LIGHT BATTERY INOPERATIVE. THE MAINTENANCE TEAM REMOVED AND REPLACED THE FORWARD EMERGENCY LIGHT BATTERY PACK WITH AN OVERHAULED UNIT. OPS CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.