Adjust the potentiometer until you do not hear a hum from the loudspeaker.

A. The aft lanyard attached to the access door to the right APU compartment is broken.

B. The after end of lanyard attached to the access door to the right APU compartment is fractured.

C. The lanyard attached to the after end of the right access door to the APU compartment is frayed.

A. Be sure that the hose is not blocked.

B. Make sure that the tubes have no deformation.

C. Ensure that the pipes are not damaged.

A. Install the can with the aid of a second person.

B. Install the cover with the aid of a second person.

C. On another＇s hand ,install the cover.

A. 包含飞机持续适航程序的主要文件是飞机的维修手册。

B. 主要文件包括飞机初始适航程序，称为飞机维修手册。

C. 飞机维修手册的主要文件包括飞机持续运行程序。

A. 此说明帮助您找到相关的适用STE规则和不同特定主题。

B. 此索引帮助您找到与不同特定主题相关的适用STE规则。

C. 此指数可以帮助您找到不同于特定主题相关的适用STE规则。

A. Values in the limited range should not include parameters or variables not mentioned in the manual.

B. The specification of a given range of values in the manual excludes parameters and variables.

C. The range of values should not exceed the parameters or variables given in the manual.

A. “拖动与滑行”中还包括如何在正常和如在软地面、湿滑或结冰的道面，发动机不在翼或飞机受损等非正常情况下拖动和滑行的说明。

B. “拖动与滑行”中还包括如何在正常和如在软地面、湿滑或结冰的道面，发动机不在翼或飞机受损等非正常情况下拖飞机或推飞机的说明。

C. “拖动与滑行”中还包括如何在正常和如在软地面、湿滑或结冰的道面，发动机不在翼等非正常情况下拖飞机或推飞机, 否则飞机将受损的说明。

A. 通气油箱排放单向活门也防止燃油从1号和2号主油箱流到通气油箱。

B. 通气油箱排放检查活门也帮助1号和2号主油箱燃油流到通气油箱。

C. 通气油箱排放单向活门也允许燃油从1号和2号主油箱流到通气油箱。

A. The main gear doors are pneumatically sequenced to remain open while the gear is extending or retracting.

B. The main gear doors are hydraulically sequenced to remain open while the gear is extending or retracting.

C. The main gear doors are automatically sequenced to remain open while the gear is extending or retracting.

A. When simulating altitude, make sure you have alternate ATC transponders in active mode.

B. Make sure that the ATC transponders are in standby mode when you simulate altitude.

C. It is optional to keep the ATC transponders in ready mode during altitude simulation.