As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED 3 AIRFRAME VIBRATION EVENTS 1. FL180 310KTS 1600VSI2. FL260 290KTS 1600VSI3. FL318 275KTS 1000VSI. MAINTENANCE INSPECTED THE LEFT-HAND ELEVATOR HINGE FITTINGS AND FOUND EXCESSIVE PLAY IN ALL 6 HINGE FITTINGS. (OPEN)