As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 548 - DFW - EES - LEFT OVERWING SLIDE INDICATION ARMED LIGHT ON ECAM, ARM LIGHT BY EMERGENCY EXIT STAYS ON EVEN IF SLIDE HANDLE PANEL IS INSTALLED. OVERWING TWO EMERGENCY LIGHTS WILL NOT TEST. ARMED LIGHT STAYS ON EVEN IF DISARMED. MAINTENANCE FOUND LT PANEL WARNING LIGHT DEFECTIVE. REPLACED IAW MM 52-73-21.