414. Turn the knob switch

2949. 如适用,提供增压,加热,冷却,湿度控制,过滤和处理用于通风增压密封机身内部区域的空气的装置和组件

2948. 在无保护的表面上涂抹两层密封剂。

2947. 副翼的通道从发射机接收输入信号

2946. 确保罗盘系统1和罗盘系统2是同步的

2945. 所有的修改都要得到设计部门的批准。

2944. ( ) THE ENGINE

2943. The manufacturer may establish procedures to provide feedback( )on unairworthy conditions( )that were discovered when complying

2942. All publications shall use the standard numbering system for indexing and assignment of subject matter prescribed in this specification even though all chapters may not be applicable to the aircraft or to the publication

2941. To prevent the friction, polish the surface

2940. Relatively simple units may not require description and operation, and/or troubleshooting information