As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE CLIMB-OUT OF PANC, NR 4 ENGINE FIRE WARNING AND HIGH NACELLE TEMPERATURE. ENGINE SHUTDOWN, DUMPED 61,000 LBS FUEL. NO FIRE EXTINGUISHER ACTIVATED. RETURNED TO PANC. FOUND BROKEN CLAMP AT 14TH STAGE BLEED AIR DUCT AND HIGH STAGE VALVE.