What was found
DURING THE CONTROL CHECK AND INFLIGHT THE AILERONS GET TO ABOUT THE 1 O'CLOCK POSITION NORMAL BUT REQUIRES ADDITIONAL FORCE TO CONTINUE TO FULL TRAVEL. LEFT DEFLECTION IS NORMAL FORCE THROUGH COMPLETE TRAVEL. REMOVED FROM SERVICE. C/W GVI OF AILERONS AND NOTED R/H FLAP TO AILERON SEAL BINDING AND INTERFERING WITH R/H AILERON. REMOVED R/H FLAP TO AILERON SEAL. C/W OPS TEST OF AILERON CONTROL SYSTEM IAW Q400 AMM 27-10-00-710-801. ALL OPS CK GOOD. C/W FREEDOM OF MOVEMENT CK PER GPM 9.2.5 OPS CK GOOD. REF L/P 892645 FOR DEFERRAL OF REMOVED FLAP TO AILERON SEAL. " COMPLETED FREEDOM OF MOVEMENT CHECK ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT. NO DEFECTS NOTED PER GPM 9.2 (FREEDOM OF MOVEMENT CHECK). AIRCRAFT RETURNED TO SERVICE.