As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT FROM GND TO GEO - NR 1 ENGINE STRUT OVERHEAT LIGHT ILLUMINATED AT CRUISE. THROTTLE BROUGHT TO IDLE, LIGHT EXTINGUISHED. THE FLIGHT DIVERTED TO POS. MAINTENANCE DISCOVERED A LOOSE CLAMP ON THE NR 1 STRUT PRECOOLER DUCT. THE CLAMP WAS RETORQUED AND AN OPERATIONAL TEST PERFORMED PER THE AMM.