As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE VIBRATION DURING CRUISE. EMERGENCY DECLARED, DIVERTED, AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS GROUNDED. COMPLIED WITH AN INSPECTION AND FOUND THE RT AND LT ELEVATOR HINGE BEARINGS AND BUSHINGS OUT OF LIMITS. REMOVED AND REPLACED THE BUSHINGS AND BEARINGS. SATISFACTORY ADJUSTMENT AND TEST OF ELEVATOR SYSTEM ON GROUND.