As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE FIRE/FAULT LOOPS A&B BOTH SHOWED A CONTINUOUS RISE IN TEMP, CLOSED BLEED AIR VALVE, TEMPRATURE DROPPED TO NORMAL. RETARDED THROTTLE TO IDLE. T/S & FOUND S-DUCT IN PYLON RUPTURED. REPLACED DUCT & CLAMPS PER AMM 36-11-00, NO LEAKS NOTED.