As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH COS, NR 1 ENGINE OVERHEAT LIGHT ILLUMINATED. CREW DISCHARGED BOTH BOTTLES, LIGHT REMAINED ILLUMINATED EVEN AFTER ENGINE SHUTDOWN. PARTS ARRIVING FROM SLC AND DFW. REPLACED BOTH FIRE BOTTLES, FIRE TEST MODULE AND LOWER LOOP.