What was found
LAS - FLT 03 - LOG PAGE 4091834 - WHILE TURNING ONTO RUNWAY FOR DEPARTURE, SELECTED FLAPS AT 10 DEGREES. SHORTLY AFTER FLAPS AND INDICATOR REACHED 10 DEGREES, THE FLAP INDICATORS INDICATED THAT FLAPS WERE STILL CREEPING DOWN. RAN FLAP FULL DOWN THEN UP AND THEN TO 10 DEGREES AGAIN. CONDITION SAME, RETURNED TO GATE. REPLACED FLAP CONTROL VALVE, OPS CHECK GOOD. (X)