As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: CIDS MALFUNCTIONING. RED EVACUATION COMMAND INDICATION ON OVERHEAD PANEL, NO HORN AND NO ECAM. MAINTENANCE REPLACED CIDS DIRECTOR #1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 23-73-34 WITH NO FAULTS NOTED.