As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED RIGHT ENGINE HIGH VIBRATION INDICATION, INDICATED 4.3. COMPLETED QRH CHECKLIST AND THE INDICATOR WENT TO 5.0. CREW SHUTDOWN RIGHT ENGINE. EMERGENCY DECLARED, LANDED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED VIBRATION ACCELEROMETER. SYSTEM GROUND CHECKED NORMAL OPERATION.