As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA - DURING FLIGHT, THE EMERGENCY EXIT LIGHTS AT THE SEATS AND AT THE BOTTOM OF THE FORWARD ENTRY AND SERVICE DOORS ILLUMINATED AND WOULD NOT TURN OFF. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AND CHARGER ASSEMBLY AT STATION 400 PER MM 33-51-00. ALL EMERGENCY LIGHTS OPERATIONALLY CHECK NORMAL.