As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THEY RECEIVED AN EMERGENCY BATTERY CHARGE FAULT. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED AN OPERATIONAL CHECK OF THE EMERGENCY BATTERIES WITH APU AND ENGINE RUNNING AND CHECK WAS OK IAW MM 24-23-00 AND 72-00-00. NO PARTS R & R. THE ACFT WAS RETURNED TO SERVICE.