As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, THE NR 3 PYLON REAR ENGINE MOUNT BULKHEAD FITTING, 65B90367-1 WAS FOUND WITH THREE CRACKS EMANATING FROM THE FASTENER HOLES. THERE IS NO RECORD OF THE MOD DESCRIBED IN BOEING S/B 747-54-2113 HAVING BEEN ACCOMPLISHED IN THIS AREA. FITTING REMOVED AND REPLACED BEFORE FURTHER FLIGHT.