Originally published at: Airbus Software Fix Amid Holiday Rush
Carriers update Airbus A320-family jets following emergency directive.
What amazes me in this entire issue is the almost instant availability of the several hundred updated modules. It’s almost like someone knew beforehand…..
Not really, the bottleneck is identifying the root cause of the problem. The next step of coding a fix and verifying the fix functions without any adverse effects is faster but still time consuming. If the event was identified 30 Oct and fixed last weekend I expect most of the time was in these first two steps.
The last step of burning EPROMS or other similar technology for fixing the code in a chip is very fast and can be done on dozens of chips simultaneously. You can buy USB EPROM burners on Amazon. I’m sure any aircraft manufacturer has much more sophisticated equipment for rapid production of embedded code hardware. It isn’t like this was the first time code updates needed to be rolled out, nor will it be the last. There is no conspiracy here. The logistics of getting the chips to the aircraft and getting them installed so quickly all over the world required great planning and execution but again they had a couple of weeks where they knew it was coming to prepare.
I am curious as to the determination that a software fix is stated and a change out of elevator control computers is also stated.
Were the computers only reprogrammed or were they redesigned for improved rad hardening.
Did the excessive radiation damage the system or command a control?
This fix sounds way to easy to be considered a root cause analysis and corrective action
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