Mxsmanic wrote:

> Eeyore writes:
>
> > This PROVES you WRONG !
> >
> > "We have received a report of two occurrences of engine
thrust rollback
> > (reduction) during takeoff on Boeing Model 777-300ER series
airplanes powered
> > by GE Model GE90-115B engines.
> >
> > Investigation indicates that these events are the results of a software
> > algorithm in the FADEC that was introduced in software version A.0.4.5
> > (GE90-100 Service Bulletin 73.0021). "
>
> I thought the BA 777 had Rolls-Royce engines.

It does. But both the relevant RR and GE engines use FADEC which requires software.
Neither engine has a mechanical throttle. It's controlled ENTIRELY by electronics.

My comment doesn't relate to who made the rotating machinery, but the opportunity
for a software induced failure.

http://en.wikipedia.org/wiki/FADEC

Graham
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