As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE FIRE LIGHT. EXECUTED CHECKLIST, BOTH BOTTLES EXPENDED. FIRE LIGHT REMAINED ON FROM 41000 TO LANDING. TROUBLESHOT PROBLEM TO CONTROL UNIT. REMOVED CONTROL UNIT. INSTALLED NEW CONTROL UNIT. RAN ENGINE, OPS CHECKED GOOD IAW MM 26-11-00 AND MM 26-21-01.