xbox 360 for spares and repairs only +

i have my old phat xbox 360 for spares and repairs only iam selling as not working as it will no longer switch on and i know it did have the rrod someone did have a go at fixing the rrod for me but i dont think he knew what he was doing as it worked for a few days then went again this is just the xbox on its own no wires or hdd just the xbox its a hitachi drive thanks james 07772035499