Well, there's nothing we can do that's their assumption.
That's why most of their customers end up looking for a closer/near repair center to avoid such issues and to avoid shipping costs and taxes.

I think you can try to convince them that the 2nd hash board is not scrapped and you didn't open/change/modify anything on that unit.
You can have more chance to convince them if you call them directly to their hotline number +65-3138-9024

About the image, it's not clear to me but the one ASIC chip looks like there's a crack.

If ever you're looking for a repair center near your location you can check this link below and scroll down you can find the list of ASIC repair centers.

- https://www.zeusbtc.com/ASIC-Miner-Repair/