Here's the important part ... "Investigations are at an early stage but the key scenario being examined is that the data -- known as "torque calibration parame

Here's the important part ... "Investigations are at an early stage but the key scenario being examined is that the data -- known as "torque calibration parameters" -- was accidentally wiped on three engines as the engine software was being installed at Airbus facilities." 6 people dead due to a faulty software installation procedure and/or lack of testing.