As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE CHECK, FOUND FWD AND AFT EMERGENCY LIGHTS INOP AND NUMEROUS EMERGENCY LIGHTS AT SEAT LOCATIONS INOP. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK. RECONNECTED FIRST CLASS AFT EMERGENCY LIGHT POWER SUPPLY AND BATTERY.