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Boost pump logic


Ak47e6

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Issue

after starting an engine. The opposite side engine that is secured has its boost pump turn off and the running engines boost pump goes into standby

 

what should happen

after an engine is started the secured engines boost pump should remain on and since both boost pumps always work together when their switches are pushed in the running engines boost pump also remains on. Once both engines are running boost pumps go into standby mode as motive flow supplies fuel pressure

 

see attached picture of rw crj with right engine running and boost pump switches still pushed in

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