As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT VIBRATION REPORTED IN AFT GALLEY. AIRCRAFT DIVERTED, AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED THE THS ACTUATOR DUE TO PLAY AT UPPER PRIMARY ATTACH BEARINGS. THE AIRCRAFT WAS GROUNDED.