As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENG HIGH VIBRATION FELT IN AIRFRAME AT HIGH PWR SETTINGS AND CRUISE MAX VIB 1.8. SAMC TEXT: PER CREW IT WAS A SLIGHT VIBRATION THAT FOLLOWED THE THROTTLES. VIB WENT AWAY AT LOWER POWER SETTINGS BUT RETURNED WHEN POWER WAS INCREASED. VIBS WERE FELT IN YOKE AND CREW SEATS. ACCOMPLISHED BORESCOPE, NO DEFECTS FOUND. ALSO ACCOMPLISHED VIBRATION TEST 8, PASSED WITHIN LIMITS.