As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FIRE DETECTION FAULT LIGHT ILLUMINATED ON THE NR1 NACELLE TEMP INDICATION ON LOOP A WAS IN "F" RANGE "B LOOP WAS NORMAL AND OP'S CHECKED NORMAL. TRANSFERRED TO DMI 344 AS PER MEL 26-1 CAT C PLACARDS INSTALLED. RESET DETECTION CARD PER AMM 26-11-03/401 OP'S CHECK NORMAL PER AMM 26-11-00/501 DMI CLEARED PLACARDS REMOVED.