441、解释如何检查它们是否正常运行,以及如何识别故障。

882、The scratch does not penetrate the protective layer.

881、The ratio of width to depth must be 30 or more at each point.

880、The navigation lights change from dim to bright.

879、The minimum time between checks is two minutes.

878、The minimum jack closed height must be less than the distance between the fitting and the ground when the aircraft is on its wheels:

877、The material within subparagraphs of Handbooks may follow the order of material within subparagraphs of this Section of the Specification or may be arranged tot suit a particular type or model of airplane

876、The Maintenance Manual and/or Maintenance Data furnished to the Purchaser shall provide sufficient information to enable a qualified mechanic, as appropriate, to inspect troubleshoot, test, and repair or replace all systems and units considered by the manufacturer to be repairable or replaceable as a part of the normal maintenance procedures.

875、The integrated circuits contains general coverage of those devices having integrated components in monolithic structure which perform complete circuit function.

874、The indications must agree with the values in the table.

873、The fueling hose must not4hit the edge of the tank.