As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - TOP OF CLIMB NOTICED RIGHT ENGINE VIBRATION METER WAS 2.5 (UNUSUALLY HIGH) SEVERAL MINUTES LATER PEAKED 2.7 AND TURNED AMBER. RAN QRH PROCEDURE NO HELP. AFTER THREE POWER REDUCTIONS AND CONTINUED AMBER VIB INDICATION CONTACTED FLIGHT CONTROL DUE TO HISTORY. R&R RT ENG ON LOGSHEET 437731 ITEM 3 ITEM CLEARED ITEM.