现代航空维修活动是在理论指导之下进行的,现代维修理论的实质是在维修工作中追求更高的安全指标、满意的可靠性水平和良好的经济效益,因此现代维修又被称作是以安全、可靠、经济为目标的维修,而维修工作的总目标应当与航空公司的总目标相一致。传统维修理论及其实践早期的航空 Modern aviation maintenance activities are carried out under the guidance of the theory. The essence of modern maintenance theory is to pursue higher safety indicators, satisfactory reliability level and good economic benefits in maintenance work. Therefore, modern maintenance is also called " Safe, reliable and economical, and the general goal of maintenance work should be in line with the overall goal of the airline. Traditional Maintenance Theory and Its Practice in Early Flight