As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE VIBRATION LIGHT ILLUMINATED ON CLIMB OUT. PILOTS RETURNED TO DEPARTURE. T/S TO ENGINE VIBRATION MONITORING UNIT. UNIT WAS REMOVED AND A NEW UNIT INSTALLED. OPS CHECK GOOD. THIS WAS INDICATION PROBLEM , NO VIBRATION OF THE ENGINE WAS EVER FELT.