B737NG飞机P5-13电源面板存在两种构型，“CAB/UTIL”和“IFE/PASS SEAT”属于新构型中的两个电门，本文在结合手册与实际现象的基础上，分析了这两个电门的功用，避免在将来的排故过程中走弯路。%There are two configurations of B737NG aircraft P5-13 power supply panel, the"CAB/UTIL" and"IFE/PASS SEAT"belong to the two switches in the new configuration, based on the combination of manual and actual phenomena, this paper analyzes the function of these switches, to avoid detours during troubleshooting in the future.
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