As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK FOUND EMERGENCY LIGHTS AT DOOR 2R AND AFT ON RIGHT AISLE INOP. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK ASSEMBLY AND THE EMERGENCY LIGHT POWER SUPPLY. SYSTEM WAS OPERATIONALLY CHECKED AND RETURNED TO SERVICE.