Originally Posted by
VicMel
So after 100s or 1000s of flight hours the holes line up, the interrupt pings off in the middle of the new software, something (could be a data value, a status flag, a jump address or ….) is corrupted. The consequential behaviour could be any of many surprises!
That sounds like a description of a random failure, rather than something that would manifest itself over several consecutive flights, as was the case with Lion Air.