Hello, a friend give me this M1 Mac Air, he said that it simply stop working. Apple preventive is replacing motherboard.

Model is MacBook Air M1 A2337, logic 820-02016, not booting, and taking 5V 0.42A and consuming 2.173W.

Once disassembled is very clean, no water damage at all. Visual ispection reveal no visible problem. Flir camera point to two hot point:

C81DC PP3V8_AON_VDDMAIN
And
Q5800

What should I test as next step?

Thank you very much!