What was found
EXCESSIVE AMOUNTS OF TRIM REQUIRED TO MAINTAIN STRAIGHT FLT. UNABLE TO INPUT REQUIRED TRIM, NECESSARY TO MAINTAIN LEVEL FLIGHT. DEBRIEF OF CREW. FLIGHT CREW REPORTED EXCESSIVE AILERON TRIM TO MAINTAIN LEVEL FLT. AUTOPILOT WAS NEVER ENGAGGED. FOUND ACFT WAS 8DEGREES OUT OF TRIM RT WING DOWN. INSPECTED RT WING SPOILERS NO DAMAGE FOUND. RESET AILERONS TO ZERO & PERFORMED AILERON CONTROL CHKS, OPS CHKD NORMAL IAW AMM 27-11-00. CREW REPORTS EXCESSIVE TRIM REQUIRED FOR STRAIGHT LEVEL FLIGHT. VERIFIED CONTROL WHEEL MOVES FREELY AND ALL SPOILERS OPS NORMAL. PERFORMED CHECK OF AILERON SYSTEM RIGGING IAW AMM 27-11-00-820-805. ALL RIG PINS ABLE TO BE INSTALLED AND REMOVED FREELY. BOTH LT & RT AILERONS & RESPECTIVE BALANCE TABS ARE CORRECTLY ADJUSTED. ALSO CHKD AILERON RIG VIA DFCS AILERON RIGGING TEST IAW AMM 22-11-00-820-803. ALL VALUES FOUND WITHIN LIMITS. NO FAULTS WITH AILERON RIGGING FOUND AT THIS TIME. DUE TO RECENT FLAP MAINTENANCE VERFIED FLAPS MOVE IN & OUT SMOOTHLY ALSO TURNED ON YAW DAMPNER WITH HYDS TO SEE IF RUDDER KICKS ANY AND IT STAYS PERFECTLY STILL. KICKED RUDDER BACK AND FORTH TO VERIFY SMOOTH EVEN TRAVEL ON BOTH SIDEDUE TO NO DEFECT FOUND GRP 2 TEST FLIGHT FOR TO VERIFY FAULT IS NOT PRESENT REF LP3406975.