As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 5000 FT/250KTS/SMOOTH AIR VIBRATION FELT THROUGH OUT FLIGHT DECK. VIBRATION NOTICED DURING DESCENT AS WELL. REMOVED AND REPLACED UPPER AND LOWER RUDDER TRIM TAB BUSHINGS 2 WITH NEW BUSHINGS. FOR WORK ACCOMPLISHED REF MM 27-20-00