As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 50 FEET BEFORE LANDING, NR 2 FIRE WARNING ILLUMINATED THEN OFF, LASTED 5 SECONDS. TROUBLESHOT AND REPLACED THE FIRE DETECTION CONTROL UNIT FOR NR 2 ENGINE IAW JIC 26-12 81 RAI 10000. THE SYS CHECK GOOD AND THE ACFT WAS RETURNED TO SERVICE.