2480. Access to the base is permitted between 9am and 6pm

A. Under each section, in order of probability, list the unit conditions that may be causing the trouble.

B. Under each section, list the possible causes of the problem by rank of failure.

C. Under each section, list each condition causing the problem, in the order in which the part works.

A. 飞行员呼叫开关位于 P19外部电源面板上。该面板位于飞机右侧的前轮上方。

B. 飞行员呼叫开关位于 P19外部电源面板上。该面板位于飞机右侧的前轮舱前方。

C. 飞行员呼叫开关位于 P19表面电源面板上。该面板位于飞机右侧的前轮上方。

A. Many electrical power components are in the EE compartment.

B. Many electrical power components are in the cargo compartment

C. Many electrical power components are in the APU compartment

A. The captain＇s primary flight, navigation, and center lower engine display units must be cleaned since the ventilation holes behind them are clogged by lint, dust and debris.

B. Clean the vent holes behind the captain＇s primary flight navigation and lower middle engine display units which are blocked by lint, dust and debris.

C. Clean all lint, dust and debris from the ventilation holes located on the aft side of the captain＇s primary flight navigation, and center lower engine display units.

A. 垂尾顶部安装有垂直安定面。

B. 机身后段顶部安装有垂尾。

C. 垂直安定面安装在机身尾段顶部。

A. 拆下将发射器壳体紧固在发动机上的螺栓

B. 拆下螺栓紧固的发动机壳体

C. 拆下用螺栓紧固在发动机上的发射器壳体

A. The test will stop when the pressure is larger than 7000 kpA.

B. Stop the test if the pressure reaches 7000 pA.

C. Stop the test when the pressure is more than 7000 kpA.

A. Monitor the operation of the actuator motor.

B. Monitor the operation of the steering motor.

C. Monitor the operation of the starting motor.

A. 检查机身蒙皮盖板的底部有无裂纹。

B. 检查底部蒙皮盖板和机身有无裂纹。

C. 检查机身底部蒙皮盖板有无裂纹。

A. If you find broken wires, repair them.

B. If you detect broken wires, repair them.

C. If the broken wires are distinguished, repair them.