As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSPECTION FOUND THE EMERGENCY LIGHTING BATTERY AND BATTERY CHARGER INOPERABLE. THE ACFT WAS REMOVED FROM SERVICE. R & R THE NR 4 EMERGENCY BATTERY & BATTERY CHARGER IAW WC 33-700-19. THE OPS CHECK WAS GOOD. THE ACFT WAS RETURNED TO SERVICE.