What was found
VERY NOTICEABLE AIRFRAME VIBRATION WHEN SELECTING FULL FLAPS ON FINAL APPROACH. WITH FLAPS FULL GET A LOT OF PLAY ON THE LEFT IB FLAP. SUSPECT FLAP ACTUATOR. REPLACED NR 1 FLAP TRACK ACTUATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VERY NOTICEABLE AIRFRAME VIBRATION WHEN SELECTING FULL FLAPS ON FINAL APPROACH. WITH FLAPS FULL GET A LOT OF PLAY ON THE LEFT IB FLAP. SUSPECT FLAP ACTUATOR. REPLACED NR 1 FLAP TRACK ACTUATOR.