2869. 解释如何检查它们是否正常运行,以及如何识别故障

494. A high standard of professionalism is necessary to use the STE specification correctly

493. 确保材料的保质期未过期。

492. 恢复电池容量至要求的标准。

491. If the fuel leak originates at the valve, replace the valve seals

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