What was found
DURING FLIGHT WITH BOTH AP OFF , THE AIRPLANE TURN TO THE LEFT AND VERY HARD TO MAINTAIN CONTROL OF THE AIRPLANE, RETURN TO STA. PERFORMED TS IAW FIM 27-10-01, ADJUSTED INB-OUT AILERONS NEUTRALS IAW AMM 27-10-00. PERFORMED NEUTRAL AND RANGE OF MOVEMENT TEST IAW AMM 27-10-00. AIRCRAFT RETURNED TO SERVICE