As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LATERAL MOD VIBRATION FELT IN AFT GALLEY DURING CLIMB. PERFORMED RUDDER, AND ELEVATOR T/E FREE PLAY CHECK DUE TO VIBE REPORTING FORM DATA. 2 LEGS IN A ROW HAVE AFT FUSELAGE VIBE. PERFORMED ELEVATOR SERVO CONTROLS AND HINGE BEARING CONDITION CHECK AND RUDDER HYD CHECK. ALL MEASUREMENTS WITHIN LIMITS. ALSO NO ACFT EXTERIOR DEFECTS FOUND.