671. Explain how to avoid and notice fuel contamination

2692. Manually push the ram air turbine in the direction of the retracted position

2691. If you do not install the rigging pin, the elevators will move down when there is no pressure in the system

2690. Make shure that the fastener heads are flush with the skin

2689. Install the sealing ring in the groove of the spherical bearing

2688. Those instructions are necessary to carry out the scheduled sevring

2687. 泵安装在液压马达后面

2686. 确保接下来用于安装程序的工具是可用的。

2685. Airplanes modified by STC are not the responsibility of ABC

2684. Remove of the AC Current Transformer

2683. Some fixed or variable fairings such as those on the nose and tail and between the fuselage and the wing and the stabilizers are aerodynamic fairings