Centre Hydraulic System Pressure

Left engine shutdown Right engine shutdown Leak from Left System Normal System Operation Leak from Right System Power Transfer Unit (operates if Left engine failed or Left EDP pressure low) Reserve brakes Ram Air Turbine (automatically operates when both engines have failed) Ram Air Turbine Manual Deployment Switch Alternate Brakes Left Thrust Reverser Rudder Ratio Landing Gear - Normal System Operation Spoilers Yaw Dampers Ailerons ETOPS equiped aircraft only Flaps and Slats - Normal System Operation Nosewheel Steering Elevators Spoilers Rudder Elevator Feel Stabilizer Ailerons Normal Brakes Right Thrust Reverser Power Transfer Unit Spoilers

The RSVR light illuminates when either reservoir quantity and/or air pressure are low.


QRH Inoperative Items:
  • Centre Autopilot
  • Left Autopilot Stabilizer Trim

    As the Left autopilot uses the centre Stabiliser Trim motor, the Left autopilot can only be used at the speed the stabiliser is trimmed for, and cannot be engaged at any other speed.