As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING ROUTINE MAINTENANCE THE AISLE PATH LIGHTS 1 THRU 3 WOULD NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE NR 2 EMERGENCY LIGHT BATTERY IAW EMB 145 SRM 33-50-04. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.