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APU Speed Droop
Hi guys,
B737 APU ECU energize ignition system if APU engine speed goes below 95% during APU operation (speed droop) What is speed droop ? Tried to google but hardly understand the meaning of speed droop 😔 Thank you |
It's simply a drop in APU speed. Depending on the cause of the droop the energised ignition sytem might stop an APU shutdown.
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