What was found
THE CYCLIC MADE AN AFT AND RT MOVEMENT WHEN THE HYD SYS SWITCH WAS MOVED FROM THE 'OFF' POSITION TO THE 'ON' POSITION, FOLLOWING THE DEMONSTRATION OF AN IN-FLIGHT HYD FAILURE AND HYDRAULICS OFF LANDING. WHILE STILL LANDED, THE INSTRUCTOR MOVED THE HYDRAULICS SYS SWITCH FROM 'ON' TO 'OFF' AND BACK TO 'ON'. THE CYCLIC MADE A SECOND AFT AND RT MOVEMENT. THE ACFT WAS SHUTDOWN AND MX WAS NOTIFIED. THIS MALFUNCTION OCCURRED DURING A TRAINING FLIGHT FOLLOWING 3 PREVIOUS LANDINGS WITH THE HYDRAULICS IN THE 'ON' POSITION.