What was found
CLIMBING OUT OF SDF AROUND 30,000 GOT A LOW HYD FLOW R ANNUNCIATION. CHECKLIST WAS REVIEWED, COMPLETED, FLIGHT WAS GOING TO CONTINUE. LEVELING OFF AT FL430 AT CRUISE WAS FLYING ABOUT.68. IN CRUISE THE AUTOPILOT DISENGAGED WITH THE YOKE COMING AFT AGGRESSIVELY AND PUTTING THE AIRCRAFT INTO A CLIMB. T/S SYSTEM. R & R RT ENG DRIVEN PUMP. OPS CK GOOD.