Curious how a software update can be rolled back to mitigate a "solar radiation risk" (which would typically imply a hardware radiation susceptibility issue). Perhaps the software update comes in the form of new EEPROMs, something like that?
It looks like the fix it to replace the elevator aileron computer (ELAC), which sounds like a hardware fix, not a software update rollback. But that sort of detail often doesn't survive repeated rounds of journalism.
https://ad.easa.europa.eu/blob/EASA_AD_2025_0268_E.pdf/EAD_2...
It looks like the fix it to replace the elevator aileron computer (ELAC), which sounds like a hardware fix, not a software update rollback. But that sort of detail often doesn't survive repeated rounds of journalism.
There are two of those units in each aircraft.