I see that the WSJ now claim to have a source inside the accident investigation for deployment of the RAT: https://www.wsj.com/business/airlines/boeing-787s-eme

I see that the WSJ now claim to have a source inside the accident investigation for deployment of the RAT: https://www.wsj.com/business/airlines/boeing-787s-emergency-power-system-likely-active-before-air-india-crash-148b7e02 https://www.wsj.com/business/airlines/boeing-787s-emergency-... Looks like dual engine failure really is the most likely scenario.