As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 410 NUMBER 2 ENG FAILED N1 ROLLED BACK SMALL VIBRATION SO SHUT THE ENGINE DOWN UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. INSPECT INLET AND EXHAUST AND PROVIDE PICTURES TO UAL TOMC. REMOVED RPL #2 ENG. TT1812890. ALL OPS AND INDICATIONS GOOD REF 29-7100-14900,29-7100-1-4900. OPS GOOD. REMOVED AND REPLACED #2 ENGINE REF JC 29-7100-1-0900 AND 29-7100-1-4900 ALL OPS CHECKS AND LEAK CHECKS GOOD AT THIS TIME.