What was found
LEFT FAN ENGINE VIBRATION HIGH 4.7. OTHER VIBRATION INDICATIONS WERE: AIRPLANE VIBRATION, AUDIBLE NOISE, VIBRATION FOLLOWS THRUST CHANGE. REPLACED NR 1 ENGINE PER WORK CARD NR 7010. OPS CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT FAN ENGINE VIBRATION HIGH 4.7. OTHER VIBRATION INDICATIONS WERE: AIRPLANE VIBRATION, AUDIBLE NOISE, VIBRATION FOLLOWS THRUST CHANGE. REPLACED NR 1 ENGINE PER WORK CARD NR 7010. OPS CHECK NORMAL.