What was found
AIRCRAFT CONSTANTLY ROLLS LT AND RT IN LEVEL CRUISE. WORSE AT HIGHER ALTITUDE AND HIGHER SPEED. [07-11-07] RESET RT AILERON DROOP TO SPEC. AND ADJUSTED AILERON SERVO CABLES. IAW 750 MM. 22-10-01. ADJUSTED FEEL BUNGEE IAW 750 MM. 27-11-05. ADJUSTED UPPER RUDDER CHANNELS A+B IAW 750 MM. 27-24-01. FOUND RUDDER BUNGEE STICKING AND REPLACED BUNGEE. IAW 750 MM 27-24-00. RIGGED LWR. RUDDER TO SPEC'S IAW 750 MM 27-20-00. TRAVELS AND OP'S CHECKS GOOD.