As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERSION, DURING CLIMB APROX. FL350 RIGHT ENG VIB SHOWED ON AMBER RANGE. FOLLOW APPROPRIATE CHECK LIST AND REDUCED THRUST LEVER TO 75% N1 UNTIL ENG VIB OUT OF AMBER RANGE. RESULTED IN A DIVERSION. DEFERRED VIBE INDICATING SYSTEM PER MEL 77-31-1-1. DMP C/W. PLACARD INSTALLED. REMOVED AND REPLACED ENGINE AIRBORNE VIBRATION MONITOR IAW AMM 77-31-03-401. NO DMP TO REVERSE. PLACARD REMOVED.