As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YOKE VIBRATED BACK AND FORTH AT SPEEDS OF 250KTS AND GREATER. AS THE SPEED INCREASED THE VIBRATION INCREASED. RETURNED TO DTWUPON INSPECTION FOUND MISSING HARDWARE ON LT ELEVATOR SERVO TAB CAUSING PLAY. REPLACED MISSING HARDWARE. ALL CHECKS GOOD. ALL WORK DONE IAW AVRO MM CHP 27.