As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS-ABQ - FLT NR 720 - AIRCRAFT DIVERETED TO PHOENIX FOR FLIGHT CONTROL VIBRATION. CREW REPORTED VIBRATION FELT THROUGHOUT AIRCRAFT. MORE NOTICEABLE IN THE REAR. DID NOT FEEL VIBRATION IN POWER LEVERS BUT FELT IN YOKE. VIBRATION FREQUENCY INCREASED WITH AIRSPEED AND FELT IN ALL PHASES OF FLIGHT. REMOVED AND REPLACED RIGHT ELEVATOR TAB INBOARD BUSHING AND MOUNT FITTING FOR WEAR. (M)