Can you explain a bit better, the top case keyboard doesn't have a daughter board as you can see here
Are you thinking of the trackpad?
@Sami Rahman - Thats the back of the trackpad
Here's the guide to replace the trackpad MacBook Air 13" Anfang 2020 Trackpad tauschen and if yours needs replacement here's the needed part MacBook Air 13" (A2179, Early 2020) Trackpad
Be careful here! the Early 2020 (Intel) is different from the M based Late 2020 model
The M series daughter board is glued to the uppercase using double sided tape which is quite tight. Using some Ethanol alcohol dripping a little around the boards edge should help is loosing it. You don't want to pry the board up with too much force as that will damage it. You appear to have found the board so it maybe easier to replace it.
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