As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EVACUATION COMMAND SIGNAL NOT WORKING CORRECTLY AT 5R AFTER SELECTING EVACUATION COMMAND THE HORN SHUT OFF BUTTON SHOULD SILENCE HORN AT THAT STATION. REMOVED AND REPLACED FLIGHT ATTENDANT EMERGENCY ALARM ASSEMBLY.