This article from The Register in 2020 has some details, and not just Boeing: https://www.theregister.com/2020/04/02/boeing_787_power_cycle_51_days_stale_data/

This article from The Register in 2020 has some details, and not just Boeing: https://www.theregister.com/2020/04/02/boeing_787_power_cycle_51_days_stale_data/ https://www.theregister.com/2020/04/02/boeing_787_power_cycl...