SPOILER Need Help With Flight In Distress

So, I guess you can understand it by the title.

I'm stuck at the quest "Flight In Distress" at the sound puzzle. No mettere how many times I do the code and going back to the engineer, the quest does not update.


For those of you who don't understand, here's the puzzle:

Spoiler: The Puzzle

I know I'm just level 76 don't judge me.

And this the code I'm using:

Spoiler: The Code

215364

Any help would be much appreciated.

 

What you need to do, as hinted by the sign on the right side, you have to listen for sounds. Each button does X amount of sounds. Now I think you can figure it out ;D

 

Thank you you so much! I passed it thanks to you!