As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, NR 1 ENG FIRE WARNING SYSTEM SHORT LIGHT ILLUMINATED AND FIRE WARNING WOULD NOT TEST. NR 1 ENGINE SHUT DOWN IN FLIGHT. MAINTENANCE NOTED ENGINE IS WITHIN LIMITS PER ALL APPLICABLE MANUALS. MAINTENANCE CLEANED AND RESECURED WIRING CONNECTORS ON UPPER ENGINE HOT SECTION FIRE LOOP. OPS CHECK GOOD IAW DACO 70 SERIES MM CHAPTER 26-10-1.