As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FIRE LOOP DETECTOR LIGHT BEGAN TO FLICKER WHILE EN ROUTE. ABNORMAL PROCEDURES WERE FOLLOWED AND TEST INDICATED NR 1 ENGINE FIRE. THE NR 1 ENGINE POWER WAS REDUCED TO IDLE AND THE FIRE LIGHT EXTINGUISHED. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF FIRE. MAINTENANCE FOUND ENGINE ANTI-ICE DUCTS HAD WORN GASKETS. THE GASKETS WERE REPLACED AND LEAK CHECKS WERE GOOD.