As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VIBRATION-NOISE ENCOUNTERED IN FLIGHT NEED TO COMPLETE VIBRATION REPORTING CHECKLIST AND DEBRIEF MX ON ARRIVAL TO DESTINATION. VIBRATION FELT DURING CLIMB THROUGH FL270-360. SUSPECT RIGGING OR DOORS NOT ENGINE RELATED. ACP INTEGRITY CHECKS ON ELEVATOR AND RUDDER PCU'S FOUND ELEVATOR GOOD AND ALL 3 RUDDER ROD ENDS OUT OF LIMITS. GENERATED SEPARATE WRITE UPS TO REPLACE ALL 3 ROD ENDS IAW VIB SURVEY RUDDER HAD HIGH SCORE.