What was found
FLAPS WERE SELECTED 15 FOR LANDING. SOON, THE HYD PRESSURE AND CAUTION LIGHTS WERE FLASHING AND FLAPS SEEMED STUCK AROUND 7. THE FLAP HANDLE WAS MOVED TO MATCH THE FLAP SETTING AND THE LIGHT EXTINGUISHED. THE FLAPS WOULD NOT MOVE BEYOND 7 ON A SECOND ATTEMPT, THEY WERE LEFT AT 7 WITH THE HANDLE AT 7 FOR THE REMAINDER OF THE FLIGHT. TROUBLESHOT SYS FOUND THE RT FLAP ACTUATOR INTERMITTENTLY FAILING. REMOVED ACTUATOR FROM SYS. INSTALLED NEW ACTUATOR. OPS AND LEAK CHECKED GOOD IAW MM 27-51-04.