Did you scratch that chip or was the damage already there to lead you to suspect it?
I'm just lookig for clues on a failed battery pack marked as model APP00356 13INR19-66-4.
On this version the two fuses are soldered on SMD instead of the previous automotive style plug in fuses. I'm thinking of trying to replace the BMS because the fuses are good.

Exact same battery (APP00356 13INR19/66-4) suddenly stopped charging.
This version has two ceramic surface mount fuses that are soldered onto the BMS boards.
Since both fuses checked good I suspected a bad solder joint so I removed each and resoldered.
Both show continuity to the BMS board.
I checked the charging fuse all the way to the charging port (should have done that first) and it was all okay.
Well, that leaves the BMS boards as something needing to be replaced.
If any of you have a source for whatever BMS boards are used can you please share?
People are rebuilding these so something is available somewhere, right?