What was found
AIRCRAFT WAS GROUNDED, FLIGHT RETURNED DEPARTURE DUE TO NR 1 ENGINE VIBRATION REPORTED. EMERGENCY WAS DECLARED. , LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 1 ENGINE IAW JOB CARD 33L40071001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED, FLIGHT RETURNED DEPARTURE DUE TO NR 1 ENGINE VIBRATION REPORTED. EMERGENCY WAS DECLARED. , LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 1 ENGINE IAW JOB CARD 33L40071001.