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 OVERWING EMERGENCY LIGHTS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BATTERY ASSEMBLY IAW AMM 33-50-04. THE OVERWING EMERGENCY LIGHTS OPERATIONAL CHECK WAS GOOD IAW AMM 33-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.