As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THE NR 1 ENGINE FIRE LIGHT CAME ON. THE CREW RETARDED THE THROTTLES AND THE LIGHT WENT OUT. THEY RETURNED TO THE DEPARTURE AIRPORT WITH NO PROBLEMS. THE FIRE LIGHT WAS CAUSED BY A BLEED AIR LEAK. THE SEALS WERE CHANGED AND GROUND RUNS WERE SATISFACTORY.