As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EVACUATION SIGNAL SYSTEM DEFECTIVE AT ATTENDANT SEAT AT DOOR 3L. 3L POSITION DOES NOT ALARM OR LIGHT WHEN SYSTEM TESTED AT OTHER LOCATIONS, IT DOES LIGHT AND ALARM WHEN TESTED AT 3L, BUT NO ALARM OR LIGHTS AT ANY OTHER LOCATION. PIGGYBACK GOOD EVAC PANEL, NO HELP FOUND CREW SEAT AT 3L HAS FAULTY EVAC HARNESS. REPLACED HARNESS ASSY.