It's highly unlikely that only one spoiler was deployed during the landing, unless they were facing a significant defect which should have precluded a landing on such a short runway, particularly when it was wet. It's more likely that the one deployed spoiler as seen in the pictures has just not drifted out of the extended position as hydraulic pressure bled off. It's also possible that the accident caused damage which blocked the hydraulic lines to that spoiler, thus negating the possibility for the fluid pressure to bleed off.
As for the speculation that they did not have full flaps for landing, as was mentioned above, "Flap 3" and "Flap Full" are the normal landing configurations for the A320. Prior to doing a Flap 3 landing, we are required to select LDG FLAP 3 on the EGPWS panel. If one doesn't make that selection, the EGPWS will be screaming "TOO LOW FLAPS" rather loudly on final approach. The crew would have to be in a coma to miss this call.
Last edited by J.O.; 6th Jun 2008 at 13:34.