As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY, IN FLT ENGINE SHUTDOWN, NR 1 ENGINE FIRE WARNING ILLUMINATED DURING DESCENT. DISCHARGED BOTH FIRE BOTTLES, LIGHT WENT OUT. BELL AND LIGHT REMAINED INTERMITTENT. REMOVED AND REPLACED BOTH NR 1 FIRE DETECTION LOOPS AND BOTH FIRE BOTTLES PER MM.