As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE LEFT AND RIGHT WING AFT EMERGENCY LIGHTS NOT COMING ON. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPLACED NR 4 BATTERY CHARGER AND BATTERY IAW W/C 33-700-19. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.