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, REF FLT MANUAL 12.20.1 NEED TO COMPLETE VIBRATION REPORTING CHECKLIST AND DEBRIEF MX ON ARRIVAL TO DESTINATION STA. VIBRATION IN AFT GALLEY AREA DURING CLIMB. AIR-SPEED 250-305 KNOTS. END-ED AROUND FL 180. CHECK FLAP FAIRINGS ON BOTH WING T/E FOR FREE PLAY. REPLACED RUDDER TRIM ACTUATOR 410CC IAW MM. GROUND CHECKS NORMAL.