A solar flare caused an aircraft incident a few weeks ago by "frying" the flight control system.
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Airbus update on A320 Family precautionary fleet action
Analysis of a recent event involving an A320 Family aircraft has revealed that intense solar radiation may corrupt data critical. Read more.
Flights disrupted after Airbus discovers intense sun radiation could impact flight control data
The issue is thought to affect 6,000 planes, which will need to undergo an urgent software update or have computers replaced.