As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B-INSPECTION FOUND THE LEFT AND RIGHT OVERWING EMERGENCY LIGHTS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 EMERGENCY BATTERY AND BATTERY CHARGER ASSEMBLY IAW EMB AMM 33-50-04. THE OPERATIONAL CHECK WAS GOOD IAW WC 33-700-17. THE AIRCRAFT WAS RETURNED TO SERVICE.