As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LIGHT AIRFRAME VIBRATION PASSING 320 KIAS AT FL240 ON CLIMB-OUT. VIBS STOPPED AS CREW SLOWED BACK THROUGH 320 KIAS. FOUND WORN ROD ENDS ALLOWING PLAY IN CONTROL SURFACES AND GEAR DOORS. REPLACED WORN ROD ENDS IN LT GREEN ELEVATOR, RT YELLOW ELEVATOR. ALSO REPLACED LT INBD AND RT OTBD ELEVATOR PCA'S AFTER FAILING FREE PLAY CHECK. REPLACED LT AND RT AFT GEAR DOOR HINGE BUSHINGS AND LOWER ATTACH ARM BUSHINGS.