What was found
VIBRATION ON SELECTING FLAPS TO 50 DEG. NO PROBLEMS FOUND ON FLT CONTROL INSP. AC OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VIBRATION ON SELECTING FLAPS TO 50 DEG. NO PROBLEMS FOUND ON FLT CONTROL INSP. AC OK FOR SERVICE.