As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AILERONS SEEMS "STIFFER " THAN NORMAL 190 KNOTS FLAPS 5 TO 30 RESPONSE TIME IN MOVEMENT SLOWER THAN NORMAL. POST FLIGHT CONTROL CHECK SEEMED STIFFER TOO. ACCOMPLISHED INSPECTION AND LUBRICATION ON CONTROL CABLES AND FEEL CENTERING UNIT PER AMM 12-26-00. ALSO ACCOMPLISHED A SATISFACTORY CONTROL CABLE TENSION MEASUREMENT AND AILERON CONTROL WHEEL FORCE TEST PER AMM 27-09-14-860-802 AND 27-11-00-700-805.