As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BUF - FLT 374 - NR 1 ENGINE OVERHEAT LIGHT ILLUMINATED IN FLIGHT, AFTER THRUST LEVER IS RETARDED TO FLIGHT IDLE THE OVERHEAT LIGHT EXTINGUISHED. AIRCRAFT RETURNED TO GROUND UNEVENTFUL. DUPLICATED PROBLEM ON GROUND, FOUND 13TH STAGE BLEED AIR DUCT CRACKED. REMOVED AND REPLACED DUCT PER MM 75-10-00. ENGINE RUN PERFORMED WITH NO DEFECTS NOTED. (M)