The hydraulic system of the Boeing 737NG aircraft low Pressure lights

This paper summarizes the analysis is according to the condition of low–voltage lights of the Boeing 737NG aircraft hydraulic system, in the route work repair personnel often encounter caused flight delays and cancellations due to long time faults of the hydraulic systems of low–voltage lights, in accordance with the minimum inventory (MEL) Handbook of hydraulic system of aircraft engine driven pump (EDP) and electric motor driven pump (EMDP) is not failure, if a failure can not dispatch.