As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIC - DURING ROUTINE MAINTENANCE, RIC MX FOUND LT FWD EXTERIOR EMERGENCY LIGHT AND NR 1 AISLE EMERGENCY LIGHT WOULD NOT ILLUMINATE. MX REMOVED AND REPLACED NR 1 EMERGENCY BATTERY CHARGER AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.