What was found
AIRFRAME VIBRATION REPORTED BY FLIGHT ATTENDANT IN REAR OF ACFT DURING DESCENT. STOPPED WHEN SLOWED TO 250 KNOTS. REPLACED RUDDER SERVO CONTROLS & RUDDER HINGE ARM FITTINGS 2, 3 & 4 IAW NON-ROUTINES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRFRAME VIBRATION REPORTED BY FLIGHT ATTENDANT IN REAR OF ACFT DURING DESCENT. STOPPED WHEN SLOWED TO 250 KNOTS. REPLACED RUDDER SERVO CONTROLS & RUDDER HINGE ARM FITTINGS 2, 3 & 4 IAW NON-ROUTINES.