As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A RESENT MAINTENANCE CHECK, AIRCRAFT PAINT AND REFURBISH, BOTH AILERONS WERE REMOVED FOR PAINT/BALANCE CHECK. THE BEARINGS WERE FOUND DEFECTIVE. PROBABLE CAUSE: BEARINGS WERE DRY AND WERE VERY DIFFICULT TO MOVE, DUE TO LACK OF LUBRICATION.