ISFD出现HDG故障旗及排除方法简析

Analysis of HDG Flag Shows on ISFD and the Elimination Methods

本文主要针对737NG系列飞机ISFD出现HDG故障旗这一故障现象,对其故障原因进行了简要的分析,并结合笔者的实际维护经验,总结出一套快速排故的方法,供大家参考。

This paper focuses on the fault phenomenon of HDG Flag Shows on ISFD of 737NG series aircraft. The fault cause was analyzed in brief, and combined with the author＇s actual maintenance experience, this paper summarizes a set of quick troubleshooting methods for reference.