What was found
DURING APPROACH , PILOT NOTED AILERON INPUT WASN'T RESPONDING AT 400' AGL. DID A GO-AROUND, PILOT MONITORING CONTROL WHEEL ON RT HAD CORRECT RESPONSE. ATTEMPTED 2ND APPROACH. ROLL CONTROL PROBLEM REOCCURRED.. DID A 2ND GO-AROUND. DURING CLIMB TO PATTERN ALTITUDE, RT CONTROL WHEEL ANGLED TO RT ABOUT 20 DEGS W/NO RESPONSE. LT CONTROL WHEEL NEUTRAL WITH SLOW ROLL RESPONSE INPUTS. ENTERED PATTERN & ALIGNED BOTH CONTROL WHEELS TO LEVEL POSITION. NORMAL ROLL INPUTS FROM BOTH CONTROL WHEELS RESUMED. DIVERTED & LANDED. R & R SECTOR ASSY-ROLL DISCONNECT ECT IAW DRAWING 7460252. RIGGED ROLL DISCONNECT SYS IAW SECT. 5.4 OF 7460027 ROLL & GROUND SPOILER SYS RIGGING SPECIFICATION. OPS CHECK GOOD.