What was found
UNSCHEDULED LANDING DUE TO FIRE BELL ACTIVATION. REMOVED AND REPLACED FIRE OVERHEAT DETECTOR CONTROL UNIT AND ENG/APU FIRE CONTROL MODULE. PERFORMED OPERATIONAL TEST AND AIRCRAFT WAS RETURNED TO REVENUE SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNSCHEDULED LANDING DUE TO FIRE BELL ACTIVATION. REMOVED AND REPLACED FIRE OVERHEAT DETECTOR CONTROL UNIT AND ENG/APU FIRE CONTROL MODULE. PERFORMED OPERATIONAL TEST AND AIRCRAFT WAS RETURNED TO REVENUE SERVICE.