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Guest hangar744

744 Hydraulic SYS FAULT no 4 light

By Guest hangar744, in PMDG 747-400 (Legacy Versions)

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Guest hangar744   

Guest hangar744
Posted

Hi there,turning on battery illuminates hydraulic SYS FAULT no 4 light.Guys...any ideas about the:1. purpose2. and logicbehind this "modification"?I really don't have a clue.thanks in advance,delcom

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Qavion    19

Qavion
Posted

Perhaps a "heads-up" that the AUX pump can be run using the Ground Handling Bus???"2. and logicbehind this "modification"?"Not sure what you mean by modification. All the wiring schematics I've looked at show the #4 fault light lamps running off the Battery Bus.Cheers.Q>

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Guest hangar744   

Guest hangar744
Posted

Thanks Q,well...honestly I was wondering in the wrong forest (WDM 24-xx-xx). Duh?! Now that you piloted me towards the right place (SSM 33-xx-xx), it makes sense.appreciate it,delcom

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