As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE GONG GENERATED BY THE CAWS WAS VERY LOW IN VOLUME OVER THE SPEAKER, THE VOLUME WAS NORMAL IN THE HEADSETS. THE PILOT POTENTIOMETER/SWITCH WAS FOUND WITH AN ELECTRICAL PIN BROKEN OFF INTERNALLY IN THE SWITCH. PART WAS REPLACED WITH NEW.