What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT ION TOUCHDOWN THERE WAS A CONTINUOUS ALARM IN THE FLIGHT DECK THAT CONTINUED AFTER SHUTDOWN WITH NO ASSOCIATED INDICATIONS *RAPID BEEPING* FOR ABOUT 10 MINUTES, THEN STOPPED ON ITS OWN AND CAME BACK FOR ABOUT 30 SECONDS THEN CLEARED. THE FLIGHT CREW REPORTED THAT THE FLIGHT ATTENDANTS PANEL HAD A FLASHING CAUTION AND THE FLIGHT DECK HAD AN EVACUATION - EMERGENCY CALL AND SERVICE INTERPHONE OVERHEAD LIGHTS ON - MAINTENANCE REPLACED THE POSITION 1 CIDS DIRECTOR PER AMM 23-73-34 AND ACCOMPLISHED A SATISFACTORY OPS CHECK