Anybody familiar with these systems know why they would do an update like this at 3pm on a Friday? This would be extremely unusual in any software job I have ever had. For commercial aviation specifically which does have pretty well defined peaks and valleys in terms of traffic over the course of a day this seems like an odd time to choose
Maybe patching a critical vulnerability? I’m also at a loss for why they chose Friday afternoon.
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I did web dev work for an airline and we couldn't even release new updates to the loyalty benefits website during a weekday (even though there was no connection to operations or flights). The fact that this company would reboot a critical comms server at 3 pm on a Friday is indeed bizarre.