As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE OPERATOR IS OF THE OPINION THAT THE JACKSCREW ASSY HAS NEVER BEEN REMOVED. HOWEVER, DOCUMENTATION IS UNAVAILABLE AT THIS TIME TO VERIFY THE STATUS OF THE JACKSCREW ASSY. A VISUAL INSPECTION OF THE HORIZONTAL JACKSCREW ASSY REVEALED METAL PARTICLES IN THE LUBRICANT ON THE JACKSCREW. THE OPERATOR DECIDED TO REMOVE THE JACKSCREW ASSY FOR REPAIR/OVERHAUL. (X)