crwdns2934241:0crwdne2934241:0 greid

crwdns2934249:0crwdne2934249:0:

I see this exact issue all the time and about 90% of the time it is the sata cable w/ bracket.  I suggest you get a replacement sata cable and this time put a foam connector pad on top of the connector on the logic board.

I don't yet know the contributing factor but I have replaced 30+ hdd cables of this model family.

crwdns2915684:0crwdne2915684:0:

open