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737 leading edge.

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Old 28th Apr 2006, 13:49
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737 leading edge.

I was boarding a 737 the other day and I noticed circular holes on the underside of the leading edge of the wing. One of the other passengers standing beside me said they were for air to pass through. Is that true?
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Old 28th Apr 2006, 14:51
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Originally Posted by brown_eyes
I was boarding a 737 the other day and I noticed circular holes on the underside of the leading edge of the wing. One of the other passengers standing beside me said they were for air to pass through. Is that true?
Sounds like vents for the wing leading edge anti-ice system (I think the 737 uses a bleed air system). So, yes, I think your fellow pax was correct.
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Old 29th Apr 2006, 15:48
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Originally Posted by Mad (Flt) Scientist
Sounds like vents for the wing leading edge anti-ice system
Spot on!

Cheers
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Old 30th Apr 2006, 10:38
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Yes, of course you are correct.

There are two groups of three holes on each leading edge, as you say, for the anti-ice bleed air to escape.
On the NGs the outboard leading edge each side is not anti-iced, so therefore there are no holes under the outboard LEs.

Just to sum up,

Chers, FD
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Old 3rd May 2006, 20:33
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A prize to the person who can spot if this is a Classic or an NG.
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Old 3rd May 2006, 21:04
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Too clean for a Classic
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Old 5th May 2006, 06:09
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Too much paint remaining for a New-Gen!
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Old 6th May 2006, 06:34
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A prize to the person who can spot if this is a Classic or an NG.
Inboard LE NG.

Now where's me Newcastle ?
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Old 6th May 2006, 08:37
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Gerorf - its mine
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Old 7th May 2006, 09:58
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Inboard LE NG.
And the ptoto is taken at stand B2 in EKCH.
Now where's me Newcastle?
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