What was found
IN FLIGHT AT 180 KIAS WITH AUTOPILOT ON AT 5000¿ SELECTED FLAPS 15, NOTICED NORMAL TRIM FOR FLAPS & STAB MOVEMENT, THE HYD PRESS STARTED FLASHING WITH ASSOCIATED MASTER CAUTION. NOTICED FLAPS HAD ONLY TRAVELED BETWEEN 0-7 DEGREES. CONFIRMED FLAP HANDLE IN CORRECT POSITION, CYCLED TO 0 DEGREES, STAB & FLAPS MOVED NORMALLY & RETRACTED. SELECTED FLAPS 7, & HAD SAME ISSUE WITH HYD PRESS & FLAPS INDICATING BETWEEN 0 & 7 DEGREES. ELECTED TO LAND WITH FLAPS 0 & COMPLETED ASSOCIATED QRC. T/S TO RIGHT FLAP CONTROL VALVE REMOVED & REPLACED FLAP ACUATOR IAW AMM 27-51-04 OPS CHECKED GOOD.