I wonder if it could be ice in the fuel line. Ice doesn't leave trace by the time it melts. This has happened in the past on a different type of plane (Boeing

I wonder if it could be ice in the fuel line. Ice doesn't leave trace by the time it melts. This has happened in the past on a different type of plane (Boeing 777). https://www.telegraph.co.uk/news/uknews/1950444/Heathrow-crash-landing-caused-by-fuel-freeze.html https://www.telegraph.co.uk/news/uknews/1950444/Heathrow-cra...