@private73123, is it possible to send two good pictures of the board, because that we know the chipsets and we have not to guess... ;-)
@Base16: "freezer trick" is a good idea!
Anyway, beside the oscillator, (a change is "quite simple"), also the (BGA) sandforce chip could have a bad connection....
also stated here:
https://forum.acelaboratory.com/viewtopic.php?p=37894#p37894 (you might know)
About the SF firmware: read the manuals of the SandForce software "Genesis Utilities" which was written for OEMs / System Designers & SSD Manufacturers.
Backside of SF controller:
