As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION IN CLIMB, FLIGHT DIVERTED. REPLACED BOTH RIGHT ELEVATOR SERVOS. OPS NORMAL. REPLACED RT BLUE ELEVATOR SERVO CONTROL UNIT, NOISE IS STILL PRESENT AND FELT IN AFT CABIN. REPLACED RIGHT YELLOW SERVO CONTROL. THERE IS STILL HYD CHATTER. MAY BE NORMAL. AFTER REPLACMENT OF BOTH RT ELEVATOR SERVOS STILL HAVE HYDRAULIC CHATTER DURING SLOW ELEVATOR MOVEMENT. NR 2 ELAC CHECKED GOOD. ACCOMPLISHED CHECKS FOR FREE PLAY, ALL WITHIN LIMITS. REPLACED BOTH RT ELEVATOR SERVOS. ALL OPERATIONS NORMAL.