I once started that, never finished though:
Fix ESC Status Error on Ph3 Pro Ph3 Adv or Ph3 Std
Follow the steps to fix ESC Status Error on Phantom 3 aircraft. This will let you repair the drone by either replacing the damaged component or fix it on component level. Currently the diagram matches all: Ph3 Standard, Ph3 Professional and Ph3 Advanced. The diagram is oriented towards users...phantompilots.com
You need it to make sure that the ESC you suspect is the one which causes error.
Here's some schematics:
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P3X ESC center board
Tools for handling firmwares of DJI products, with focus on quadcopters. - o-gs/dji-firmware-toolsgithub.com
Since the chip was replaced, it may just have wrong firmware.
Check if there are no cracks in solder around Flight Controller.
Check if MOSFETs have the same resistances.
I have a gauger. Can you tell me how?