As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, PILOT RECEIVED FIRE INDICATION ON ENGINE NR 1 WHILE ON FINAL APPROACH. NO EVIDENCE OF FIRE WAS PRESENT AND WARNING EXTINGUISHED AFTER A FEW MINUTES. LEFT SIDE OF AIRCRAFT WAS FACING RISING SUN, IT IS BELIEVED THE FALSE WARNING MAY HAVE BEEN TRIGGERED BY SUNLIGHT ENTERING THE ENGINE COWLING AND ACTIVATING THE PHOTO CELL FOR THE FIRE DETECTION SYSTEM. SYSTEM CHECKED AND FUNCTIONS NORMALLY. NO ABNORMALITIES IN THE SYSTEM WERE FOUND.