As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DAILY CHECK AN OPERATIONAL CHECK OF AUTOMATIC FIRE/OVERHEAT LOGIC TEST SYSTEM WAS CARRIED OUT AND WAS DISCOVERED THAT AURAL WARNING IS INOPERATIVE. SYSTEM BELL AND CHIME MODULE REPLACED AND SYSTEM FUNCTION CHECKED SERVICEABLE. (TC NR 20071001004)