As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 DET FAIL (FIRE) EICAS CAUTION MSG OCCURRED TWICE AT CRUISE FL 290 AND BOTH WENT AWAY-C/A-T/S ENG 1 FIRE DET FAIL IAW FIM 26-11-00. FOUND CONNECTOR P60 NOT TIGHT AND W9 HARNESS NOT SECURED IN SEVERAL RETAINING CLIPS. TIGHTENED CONNECTOR P60 AND SECURED W9 HARNESS IN RETAINING CLIPS IAW PPBM 71-00-02. OPC TEST GOOD.