What was found
AILERONS STIFF, NO BINDING FELT BUT RESISTANCE TO CONTROL WHEEL MOVEMENT GREATER THAN NORMAL. REPLACED 'A' AND 'B' SYSTEMS RETURN FILTERS, CHECKED ROLL FORCE TRANSMITTER AND VISUALLY INSPECTED PULLEYS AND CABLES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AILERONS STIFF, NO BINDING FELT BUT RESISTANCE TO CONTROL WHEEL MOVEMENT GREATER THAN NORMAL. REPLACED 'A' AND 'B' SYSTEMS RETURN FILTERS, CHECKED ROLL FORCE TRANSMITTER AND VISUALLY INSPECTED PULLEYS AND CABLES.