I quote from the Allgemeine Zeitung in Namibia (translated):
It apparently happened just after the landing after the critical phase of a landing was over. This is what Jusuf Ibrahim, chief executive of Khartoum Airport, where the latest airline accident on African soil occurred, insists.
According to Ibrahim, the Airbus A310 of Sudan Airways landed at Khartoum after a severe sandstorm without any major problems. As the pilots were in contact with the tower about their parking position, the right turbine exploded. Within minutes the flames had spread across the wing, the front of the plane and to the cockpit.
However, other eye witnesses report that the landing of the to Port Sudan diverted flight was extremely hard. This could have led to, in opinion of several flight experts, several cylinders (??) bursting and causing an explosion.
There was much confusion yesterday as to how many passengers burned to death on the plane. After initial reports of over half of the 210 passengers on board escaping by using escape slides, the authorities in Khartoum spoke of 30 deceased. The reason for this radically revised number is apparently that many passengers fled the burning wreck into the night. The fate of 15 passengers is still unclear.
http://www.az.com.na/afrika/himmel-z...cher.68265.php
The article expands on how the sky in Africa is becoming more dangerous (but that's irrelevant to this discussion).