malfunction routine

基本解释

The paper summarizes the working process of outflow valve and heater gasket of second generation B737, analyses a routine malfunction and provides a train of analysis.
介绍了第二代B737飞机座舱增压系统后外流活门和加温垫的工作及控制原理，对实际维护中的一种典型故障进行了分析和研究。
It is unavoidable for modern airliner to malfunction in its routine use, and disaster might be caused by its faults, so fault diagnosis is a very important proof of its flight safety.
现代大型客机在运营过程中不可避免地会发生各种故障，鉴于飞机故障可能会带来灾难性的后果，故障诊断对保证其安全正常地运营十分重要。