As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT VIBRATION INCREASED WITH POWER ADVANCED. ENG 1 LOCKED OUT AND 3 ENG FERRY TO ICN. AFTER FERRY FLIGHT, INSPECTED A/C CONDITION, ALL CHECK OK. PERF ENG RUN UP CHECK, NO STS MSG & NO FAULT FOUND IAW AMM 71-00-00. R & R NR 1 ENG PER W/O 162878 TASK CARD 71-099-02-01. ALL CHECKS OK.