As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND BOTH AFT OVERWING EMERGENCY LIGHTS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 EMERGENCY LIGHT BATTERY AND CHARGER ASSEMBLY. THE OPERATIONAL CHECK WAS GOOD IAW AE W/C 33-700-19. THE AIRCRAFT WAS RETURNED TO SERVICE.