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 THE EMERGENCY EXIT SIGN/PLACARD DIRECTLY AFT OF THE RIGHT OVERWING ESCAPE HATCH TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 3 BATTERY AND BATTERY CHARGER. THE AIRCRAFT WAS RETURNED TO SERVICE.