What was found
HIGH VIBRATION INDICATION ON NR 1 ENGINE. DECLARED EMERGENCY AND AIR TURNBACK. R & R THE NR 1 ENGINE IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HIGH VIBRATION INDICATION ON NR 1 ENGINE. DECLARED EMERGENCY AND AIR TURNBACK. R & R THE NR 1 ENGINE IAW MM.