Do you know what component failed?
No that has not been named.
Design fault in component of controlsystem.
The Dutch word "besturingssysteem" can be a physical system or a computer software system.
Although they consistently write about a replaced part. It has been hinted by outsiders that it could have been a software issue.
The quick way that the part in the aircraft in Mali have been updated before the other aircraft in The Netherlands might point in that direction.
SLB