As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERONS WERE VERY DIFFICULT TO TURN TO THE LEFT WITH HYDRAULIC POWER ON. REPLACED THE RIGHT AILERON REVERSION MECHANISM BEARING ASSEMBLY FOR TAB LOCKOUT IAW DC-8 OVERHAUL MANUAL 27-6-2. PERFORMED TEST OF REVERSION MECHANISM IAW DC-8 MM 27-11-08. NO DISCREPANCIES NOTED. OPS CHECKED GOOD. MANUAL REVERSION ROLLER BEARING WAS BROKEN IN HALF ON THE RIGHT AILERON POWER PACK.