What was found
DISCREPANCY: Fire detection light on #3 engine came on in flight. (ground fault).CORRECTIVE ACTION: Replaced #3 engine fire detector.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DISCREPANCY: Fire detection light on #3 engine came on in flight. (ground fault).CORRECTIVE ACTION: Replaced #3 engine fire detector.