From: rabbitsfriendsandrelations@hotmail.com   
      
   user@nouse.org wrote:   
      
   > Eeyore wrote:   
   > > user@nouse.org wrote:   
   > >   
   > >> Physical fuel starvation doesn't look good either,   
   > >   
   > > The tanks had fuel in them.   
   > >   
   > >> engine rundown would likely be staggered with one failing many minutes   
   > >> before the other.   
   > >   
   > > Exactly. Not to mention the EICAS alerts.   
   > >   
   > >   
   > >> How about digital equipment failure (soft or hard)?   No, I'm not   
   > >> 777 qualified.   
   > >   
   > > That seems a possibility although how 2 independent systems (one FADEC on   
   each   
   > > engine) would fail like that is seriously puzzling. Did they possibly have   
   a   
   > > recent firmware upgrade ? That's given problems in the past.   
   >   
   > Any kind of maintenance action could involve all items   
   > of a kind at once.   
   >   
   > No windshear   
      
   Indeed.   
      
      
   > No chickens crossing the road   
      
   Apparently not.   
      
      
   > No fuel starvation   
      
   Apparently not but there are questions over fuel quality (water in the fuel) it   
   seems.   
      
      
   > I don't think pollution is bad enough yet to   
   > rate volcanic ash   
      
   LOL !   
      
      
   > That leaves   
   >   
   > digital equipment (design/maintenance/operation)   
      
   Need it be digital ? How does the autothrottle work ? I'm curious as to   
   whether this   
   could be the possible single point of failure that could explain both engines   
   failing to respond simultaneously. Does an autothrottle have 2 (or more)   
   independent   
   data / signal processing channels ?   
      
      
   > .. what else?   
   >   
   > engine out approach and one in a million odds?   
      
   Surely more like one in a billion ?   
      
   Graham   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)