Disconnect the connection upstream of the valve.

A. Landing gear position has no effect on stall speeds.

B. The position of the landing gear doesn＇t influence the surging speed.

C. The idle speed is not effected by the landing gear position.

A. CAP将处理初级和次级机体部件，以及初级和次级系统，以实现初始适航的既定目标。

B. CAP将包括主要和次要机体部件，以及使用主要和次要系统以实现持续适航描述的目标。

C. CAP将关注主级和次级机体部件，以及主级和次级系统，以实现持续适航的既定目标。

A. 21章指随飞机提供的供应商数据，以填充以下 -00 至 70 节（如适用）。

B. 21章可参考随飞机提供的供应商数据，来填充以下 -00 至 70 节（如适用）。

C. 21章可以指随飞机提供的供应商数据，按照从-00 至 70 节的顺序（如适用）。

A. 螺柱的凹陷不得超过5mm。

B. 螺柱的突起不得超过5mm。

C. 螺纹的长度不得超过5mm。

A. Make sure that the bolts are tight.

B. Make sure that the screws are securely installed.

C. Make sure that the bolts are loose.

A. 保留部分未达到满意粘合度的密封。

B. 丢弃所有粘合效果达标的密封件。

C. 丢弃所有黏合不好的密封件。

A. The primary cause of valve failure is contamination of the hydraulic fluid.

B. The primary cause of valve failure is poisonousness of the hydraulic fluid.

C. The primary element of valve failure is contamination of the hydraulic fluid.

A. If the rush air turbine has been extracted.

B. If the Ram Air Turbine (RAT) is retracted.

C. If the pushed air turbin has been extended.

A. Remove the smooth areas with cotton cloth if you find them.

B. If you find alligatored areas, remove them with cotton cloth.

C. If there are rough areas, remove them with emery cloth.

A. As the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the rudder actuator below.

B. In order to depressurize standby system, the hydraulic system A must be depressurized to open the rudder hydraulic system selector valve and let hydraulic fluid flow to the lower rudder actuator.

C. Due to the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the bottom rudder actuator.