True data, returns to false value when returning to the initial screen

Hello everyone, I have a problem that I have not been able to solve.
I comment. The app that I am developing has activities defined in an installation that can have n equipment installed, when an operator starts an activity in an installation, it indicates if it has started. To do this, I generated a Yes / NO data. (REALIZADO)

Once the activity has started, the operator may
install a component, or perform tasks (interventions) on a selected component.

Here you can see how an intervention is generated on the selected component

the intervention performed on the component is saved, and it is observed how the record corresponding to the new intervention has been generated

But when returning to the main page where the detail of the started activity is shown.
The Start Activity (Iniciar Actividad )data, which was set to true at the beginning, takes the value false.

I have not been able to find the problem, can you please help me to solve it?

Thanks a lot.

Doers the REALIZADO column have an Initial value expression? Is its Reset on edit? setting ON or have an expression?

Hi Steve, how are you? I share the images where you can view the configuration

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I see nothing in that column’s configuration that concerns me. Thanks for posting it!

Do you have any Form Saved event actions or workflows that might be changing the parent table?