PurposeUSED TO REMOVE AND INSTALL THE RUDDER TAB. THE RUDDER MUST BE LOCKED IN THE FULL RIGHT POSITION USING J27028 LOCKS DURING REMOVAL AND INSTALLATION OF THE RUDDER TABAirplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777FUsage CodeMAINTENANCE 