Im not a Tweet but looking at that link it seems oldish news and I dont think the black boxes have been found or even the pingers heard yet. At least one of the large submerged objects has now proved to be a sunken ship.
I liked University's first post above and it reminded me of the AirNZ A320 Perpignon crash that resulted from icing up AoA sensors and an impromptu flight test causing a low level stall.