As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE DET 1 FAULT WARNING DURING DESCENT ON A/C STATUS PAGE NO OTHER WARNINGS OR INDICATIONS (INOP ASSY) REF M289275 REF M289275, CFDS FLIGHT FAULTS SHOW UPPER RIGHT INTERMITTENT FAULT. REPLACED UPPER FIRE DETECTOR FOR NR 1 ENG PER MM 26-11-03, TESTS GOOD.