As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND EMERGENCY LIGHTING BATTERY ASSEMBLY/ BATTERY CHARGER NEEDS TO BE REPLACED. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY ASSEMBLY BATTERY CHARGER 3 S/N 70401 IAW WC 33-700-19. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.