As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 PYLON REAR ENGINE MOUNT BULKHEAD FOUND CRACK AT RT FWD FRAME WEB, CRACK LENGTH 7/16". REAR ENG MOUNT BULKHEAD FRAME 4 REPLACED AND REPAIRED AS PER HX RS NR R54-53-35457 CONTINUED TO INSP. THE REAR ENGINE MOUNT BULKHEAD PER THE REQUIREMENTS OF THE HX RS NR R54-53-35457, AND UPS EO NR B747-5450-24060-A.