ATR prop brake on but propeller still spins

Two screenshots to describe the problem.

The prop brake selector is in the ON position, however after starting engine no 2 the propeller is spinning.

Am I doing something wrong? The prop brk light is not illuminated. After shutting down the engine and switching the prop break off and on the light illuminates.

edit: I also tried with the other EXT PRW on.

image

edit 2: The second time I start the engine the prop break is engaged which makes me think this is a bug.

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You may need to push a button for hydraulic pressure on the center pedestal to make the prop brake work, in case the system is not pressured yet. Then it should work and the prop brake light will be illuminated.

Found it, thanks. Is that how it is supposed to work on the real thing? All the YouTube videos I watched about the msfs plane didn’t explain it

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Not sure how it is in reality but I have no reason to believe it is not. Makes sense somehow to manually pressure the system first as long as engines and hydraulic pumps are off.

I always use the checklists from Jaydee, they are well explained with great detail:

Yes, that’s how it works IRL. You need to pressurize the blue hydraulic system for engaging/disengaging the propeller brake with the AUX pump if there’s no sufficient pressure in the system (practically every time).

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