Debris forces second 787 back to Everett

[nigelb]

http://www.flightglobal.com/articles/20 ... erett.html

Nigel²

[AndyG]

"Boeing believes the FOD was left inside the tank during the manufacturing process.....", somewhat less than reassuring. Nice to see Boeings QA policy is working well!

[petermcleland]

I experienced a case of that when doing the Acceptance Air Test on a Venom FB1 just delivered from De Havilands. The debris was a discarded bolt left in the G-pot...The result was a flame-out and crash landing which sadly wrote off the aircraft

[AllanL]

So Peter, that was a fail then???

In a previous life I was involved in commissioning power station steam systems, and the cr*p that came flying out of the pipes when doing the initial blow through meant keeping well out of the fall zone of the temporary exhaust pipes.

[petermcleland]

So Peter, that was a fail then???

In a previous life I was involved in commissioning power station steam systems, and the cr*p that came flying out of the pipes when doing the initial blow through meant keeping well out of the fall zone of the temporary exhaust pipes.

Well I don't remember what I wrote in the Form700...I'm not even sure I signed in at all, but the aircraft was carted off to a hangar and I was later told of this debris small unused bolt that had jammed itself under a "Clack Valve" in the "G-Pot", holding the valve open as the aircraft inverted and causing an instant flame out...I was also told that the reason that the engine would not relight was that it could not do so with that valve jammed open.

I had only a few hours on type at the time and while gliding in I decided not to lower the gear in case it dropped me short of the airfield...However, I think if it had happened when I was more familiar with the type, I would have put down the gear and landed on the runway instead of the crash strip, thus saving the aeroplane

[DanKH]

I read it, as someone ate their lunch inside the tank, instead of at the scaffold.

"a piece of cheese ..."