242.Galley ventilation filters are line replaceable Remove the lens assembly and the retainer to remove the filter ( )

　You need to use lens assembly and retainer as tooling to removed the filter.

　Galley ventilation filters can be replaced by mechanic in the line maintenance.

　Galley ventilation filters can not be replaced by mechanic in the line maintenance.

正确答案：B

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695.Make sure that the values agree with the tolerances ( )

694.对甚高频导航系统执行排故程序。 ( )

693.If the fault occurs regularly, do the troubleshooting of the system ( )

692.Manually push the ram air turbine in the direction of the retracted position( )

691.If you do not install the rigging pin,the elevators will move down when there is no pressure

in the system ( )

690.Make shure that the fastener heads are flush with the skin ( )

689.Install the sealing ring in the groove of the spherical bearing( )

688.Those instructions are necessary to carry out the scheduled sevring ( )

687.泵安装在液压马达后面( )

686.确保接下来用于安装程序的工具是可用的。 ( )