Reminds me of a similar incident on a brand new A340 in Paris during maintenance in the early 1990's . Someone pulled out some boxes caused an electrical short circuit, resulting in a fire, the guy was alone , by the time time he ran out to get help and a fire extinguisher, the fire was too large to be put out. the aircraft was completely destroyed in the end if I remember. **** happens .
On another matter , the dense back smoke and the duration of the fire show how retardant the materials around the cockpit are in reality