As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FIRE DETECTOR FAULT GROUND LIGHT IS ILLUMINATED. DEFERRED NR 1 ENGINE FIRE DETECTOR GROUND FAULT LIGHT IAW DHL MEL 26-9 ASSIGNED CONTROL NR 7811 AS PER MXC PLACARD INSTALLED. CLEANED AND REPOSITIONED NR 1 ENG SENSING ELEMENT. OPS CHECKED GOOD, NO LIGHT.