As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LEFT ENGINE FIRE LIGHT CAME ON INTERMITTENTLY. DURING LANDING ROLL. UPON INSPECTION, A PIECE OF LOCKWIRE WAS FOUND SHORTING THE LOWER FIRE DETECTOR TO GROUND. THE LOCKWIRE WAS REMOVED, AND THE SYS WAS FUNCTIONAL TESTED. CHECKED SERVICEABLE AND ACFT RETURNED TO SERVICE.