What was found
(CAN) ON POSITIONING FLIGHT AFTER C4 CHECK VIBRATION OF AIRFRAME WAS NOTED. FOUND ELEVATOR HINGE TO SPAR FITTING BOLTS LOOSE BUT DID NOT CONTRIBUTE TO VIBRATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON POSITIONING FLIGHT AFTER C4 CHECK VIBRATION OF AIRFRAME WAS NOTED. FOUND ELEVATOR HINGE TO SPAR FITTING BOLTS LOOSE BUT DID NOT CONTRIBUTE TO VIBRATION.