As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT DURING CLIMB AND DESCENT, CAPT + F/O AILERONS IN TURNING THE YOKE FEEL NORMAL PRESSURE ASSOCIATED WITH A BANK. AT A CERTAIN POINT IN THE TURN, A CATCHING IS FELT AND THE NORMAL PRESSURE ASSOSIATED WITH A TURN IS LOST. HAPPENDS IN BOTH LEFT + RIGHT. RETORQUE OF CAPT AND F/O BACKSIDE AILERON BACKSIDE CONTROL WHEELS, SEE NON ROTUINE "CONTINUATION WORK CARD N38811, DISC 32 AND CORRECTIVE ACTION NR 2, OPC AILERON SYS IAW AMM 27-11-00. OPC GOOD.