Boeing 787 (Dreamliner ie, used also by Polish Airlines LOT) can completely lose power if electricity was generated previously continuously for 248 days. Current generator software is implemented command to shut down and move into “failsafe” (failure protection), which turns on automatically just after that time. Warns against the Federal Aviation Administration (FAA).
Deamliner has four main power supply systems associated with power generators mounted on the engines of the aircraft. If each of them would be used continuously for 248 days, all systems go into “failsafe” at the same time, even if it falls precisely during flight. The pilot in that case he would lose control of the plane.
To avoid this problem, just once every 248 days to restart the energy systems of the aircraft. And it is not at all so unreal – 248 days of continuous power may seem very long period, but remember that airplanes are used very often as intense as possible, work and earn for themselves almost non-stop, unless some accident happen.
What calms, Boeing announced the start of work on updating the software that controls the work of energy systems in the model 787 Dreamliner.
See also: mill, which turns off all the electronics – do not want to fall a victim
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