F14, spanish minister of transport will report in a commission public audience next friday.
However, since the investigation is under judiciary secret, she may not reveal or even known certain facts or preliminary findings. It will be more likely an examination of the background safety situation in general. Be assured that Spanair and everyone involved with their fleet is being scrutinized now.
I think that eventually the public pressure will mount enough that more information will have to be released one way or another (think "sources close to investigation").