2873. If the initialization setup is correct AUTO TEST IN PROGRESS will show on the control display unit These have occurred after maintenance or operational use where the pumps have been run for several minutes after the low pressure light becomes illuminated with a nearly empty tank

490. Remove the caps from the hoses

489. 手册应从联邦航空法规43部获取飞行员可以执行的项目清单

488. 找出损伤类型和尺寸

487. 转动盖子,直到你能接触到有+和-标记的插孔。

486. The CAP will address primary and secondary airframe components, and primary and secondary systems to accomplish the stated objective of continued airworthness

485. 系统中用于记录机组成员通话的部分

484. That portion of the system used to induct and distribute air Includes equipment rack cooling systems and items such as blowers, scoops, ducting, inlets, check valves, etc Does not include valves which are part of pressurization and temperature control

483. That portion of the system which provides guidance during approach, landing and taxing Includes items such as localizer, glide slope, ILS, markers, paravisual director, ground guidance systems, etc

482. Those final divisions which permit the identification of the individual units in a system or subsystem

481. Use manual procedure if it is not possible to use the automatic control