As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3230 - DAY - CLE - RIGHT POWER LEVER HAD VERY NOTICEABLE VIBRATION WITH PROPELLER IN FEATHER AND MINIMUM RPM. MAINTENANCE REMOVED AND REPLACED RIGHT ENGINE IAW MAINTENANCE DIRECTIVE NR 7 AND NR 8. AIRCRAFT RETURNED TO SERVICE. (M)