As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NUMBER ONE ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE BELL SOUNDED DURING FLIGHT. THE ENGINE WAS SHUTDOWN AND BOTH FIRE BOTTLES BLOWN. THE FIRE WARNING DID NOT EXTINGUISH. NO SIGNS OF FIRE WERE NOTED DURING POSTFLIGHT INSPECTION. THE NUMBER 1 ENGINE B-LOOP WAS FOUND CRIMPED IN A CLAMP ON THE ENGINE. REMOVED AND REPLACED LOOP AND FIRE DETECTION SYSTEM TESTED GOOD.