2504. Unit or assembly removal/installation procedures may reference a system/subsystem test only if the major test procedure is so utilized that the individual assembly/unit test may be called out without overlap and if accomplishment shall not require completion of the whole system test

859. 列出修理或改装指示,可参考另一文件中的标准修理或其他地方(如服务工具包、服务通告等)定义的特殊修理或改装。

858. If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units

857. Lower the antenna to get access to the cable connector

856. Water displacing corrosion inhibiting compound has been applied during construction on certain airplanes Ain the locations shown in this figure Periodic reapplication in these, and other locations, is required to maintain effectiveness of this protection

855. This software is compatible only with the specified operating system

854. The check list may be followed by additional information to provide pilot with a better understanding of the reasons for actions in the check list

853. ( ) THE FUEL TANKS

852. An appropriate warning or note shall be contained in each Handbook to inform the operator that a current Handbook is required to be in the airplane during flight and that it is the operator＇s responsibility to maintain the Handbook in a current status

851. 18英尺长

850. The pump is installed upstream of the valve