As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4370 DURING TAXI THE CREW REPORTED THE MID CABIN FLOOR EMERGENCY LIGHTS ON THE LEFT SIDE OF THE CABIN CAME ON WHEN AIRCRAFT POWERED DOWN. THE LIGHTS WENT OFF WHEN AIRCRAFT WAS POWERED UP. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED CHARGER ASSEMBLY IAW EMB145 AMM 33-50-04. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.