As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE BELL CUTOUT SWITCH: SWITCHES, 2 EACH SHORTED INTERNALLY, SHOULD RETURN TO N/O CONDITION. MICRO SWITCH FAILED INTERNALLY IN ASSEMBLY. REMOVED AND REPLACED WITH NEW SWITCHES. RETESTED SYSTEM, NO MALFUNCTIONS OR DEFECTS NOTED. OPS CHECKED GOOD