As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE NR 4 ENGINE PYLON OVERHEAT CAPTION ILLUMINATED. PERFORMED QRH, LIGHT WENT OUT ALMOST IMMEDIATELY. LIGHT REMAINED OUT FOR DURATION OF FLT. MAINTENANCE REMOVED AND REPLACED NR 4 PYLON OVERHEAT DECK P/N 53183-111 IAW 26-14-17, OPS CHECKS GOOD.