What was found
DURING TAKEOFF NOTICED UNCOMMANDED ROLLING, ALSO ON LANDING AIRCRAFT ROLLED UNCOMMANDED TO LEFT.(<P>ABNORMALITY PRESSURIZED HYD, & TRIM RUDDER TO NEUTRAL, RUDDER & RUDDER TRIM CONTROL SYS OPS CHECK NORMAL PER AMM 27-21-00 WITH FULL FLAP FULL UP, SPOILER OPS & IND CHECK NORMAL PER AMM 27-61-00. CHECKED ALL SPOILER DIFFERENTIAL SHEAR RIVETS AND MECHANISM, NO FAULT FOUND PER AMM 27-61-03. DID PHYSICAL DOUBLE CHECK OF SYS LOG ITEM, NO ABNORMALITY WAS FOUND. PERFORMED SPOILER ACTUATOR FUNCTION TEST PER AMM 27-61-00, TEST PASSED, BUT RH SPOILER MOVED FASTER THAN LH DURING DEPLOY. PERFORMED ADJUSTMENT OF SPOILER CONTROL SYS PER AMM 27-61-00. ALL RIGGING CHECK SATISFIED. T/E FLAPS EXTEND 20 DETENT, SPOILER OPS CHECK NORMAL PER AMM 27-61-00. AILERON OPS CHECK NORMAL PER AMM 27-11-00.</P>)