As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:AD NR 1 NACELLE REAR ENGINE MOUNT THRUST LINK, CRACK INDICATION REVEALED AT AFT END LUG EXCEEDED LIMIT. NR 1 ENG REAR MOUNT THRUST LINK REPLACED AS PER EO B747-7120-22596-A ON APPENDIX-F. ENG REMOVED AND REINSTALLED AS PER UPS TASK CARD TC 5000.