As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A, DURING FLIGHT EXPERIENCED A TEN MINUTE PERIOD OF INTERMITTENT ILLUMINATION OF NR 1 ENG A/SS 13 FIRE DETECTION FAULT LIGHTS. REMAINED OUT FOR REST OF FLIGHT. FOUND NR 1 ENGINE FIREWALL CONNECTOR (D9511P) WIRES CHAFING TO GROUND WIRES. REPAIRED USING SELF FUSING TAPE (P/N 410) AND REPOSITIONED. SYSTEM OPS CHECKED AND FOUND SERVICEABLE.