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EK413
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SQ A380 Wing Repairs?

Sun Aug 19, 2012 8:33 am

Hello All,

Just stumbled across a photo of a SQ A380 @ LAX and was curious if the aircraft suffered any damage to the wing?

Reason I ask is the fact a large section of the wing has obviously been painted...


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Photo © Sam Chui



Any idea what happen...?

EK413
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9vswr
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 8:55 am

I don't have any answers, but I noticed this phenomenon some time ago in another picture on the database and am curious to learn more too.

View Large View Medium
Click here for bigger photo!

Photo © Kavin Kowsari - AirTeamImages

 
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EK413
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 9:02 am

Quoting 9vswr (Reply 1):
I don't have any answers, but I noticed this phenomenon some time ago in another picture on the database and am curious to learn more too.

Glad I'm not the only one which noticed...

EK413
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oldeuropean
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 9:15 am

Quoting 9vswr (Reply 1):
I don't have any answers, but I noticed this phenomenon some time ago in another picture on the database and am curious to learn more too.

This looks more like an experiment with some different paint than a repair – but who knows.
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breiz
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 9:36 am

Quoting EK413 (Thread starter):
Any idea what happen...?


Singapore found that two of its A380s had the famous small cracks in the wing skin brackets and had then repaired.

Says Airbus:
"The European airframer confirms that if airlines choose to undertake the repair "nose-to-tail" it will require around eight weeks to implement. However Airbus says that it expects most operators would opt to adopt the phased approach spread out over three two-year heavy checks which is less disruptive. In this case, it expects the repair would extend each two-to-three week heavy check by "a few days".
" An Airbus wing specialist on the A380 said the airframer's investigations indicated that parts were being stressed at some point during the manufacturing process, which involves drawing the wing skin over the built-up rib and spar assembly before attaching it."
"Rib feet are L-shaped brackets, about 9in (23cm) tall, which connect the wing skin to composite rib structures. There are some 30-40 on each rib spanning the wing."

I do not know yet which A380s are involved.
 
oldeuropean
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 10:44 am

Quoting breiz (Reply 4):
Singapore found that two of its A380s had the famous small cracks in the wing skin brackets and had then repaired.

But these cracks, inside the wing coudn't be a reason to paint the upper surface of the wing.
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breiz
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 10:49 am

Quoting oldeuropean (Reply 5):
But these cracks, inside the wing coudn't be a reason to paint the upper surface of the wing.

I assume that to replace the faulty brackets, they had to remove the skin of the wing. They have then replaced it by a skin plate of a different shade of colour.
I understand the repair was done in Singapore, not in Toulouse. Aluminium plates come in all sort of grey colour shades.


Quoting breiz (Reply 4):
Singapore found that two of its A380s had the famous small cracks

Correcting myself: it is actually 6 Singapore aircraft which have/had cracks.

[Edited 2012-08-19 06:03:35 by SA7700]
 
AngMoh
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 11:26 am

Quoting 9vswr (Reply 1):
I don't have any answers, but I noticed this phenomenon some time ago in another picture on the database and am curious to learn more too.

Note that this photo is dated 12 July 2011.

Quoting breiz (Reply 4):
Singapore found that two of its A380s had the famous small cracks in the wing skin brackets and had then repaired.

The first repairs for cracks were done in Jan 2012.

Quoting EK413 (Thread starter):
Any idea what happen...?

If it were the cracks, shouldn't there be repairs at both sides?

So I don't think this is related to the cracks.
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zeke
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 11:43 am

Quoting breiz (Reply 6):
I assume that to replace the faulty brackets, they had to remove the skin of the wing. They have then replaced it by a skin plate of a different shade of colour.

As far as I am aware, the repair work is done from inside the tank.
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breiz
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 12:17 pm

Quoting AngMoh (Reply 8):
Note that this photo is dated 12 July 2011.

Ouch, good point!
Nothing to do with the cracks then  
 
xdlx
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 4:11 pm

On the outside edge you can read .... "we know about this"  
 
my235
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 6:33 pm

I wonder what the Qantas 380 wing loks like after getting repaired from the uncontained engine.?
 
flyingcello
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 7:12 pm

AFAIK, the A380 skins are single milled pieces...so this change in colour is not a separate panel, but a painted or treated area of the main skin.
 
22886
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RE: SQ A380 Wing Repairs?

Sun Aug 19, 2012 10:53 pm

my235: this is what the repairs look like on VH-OQA
 
my235
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RE: SQ A380 Wing Repairs?

Mon Aug 20, 2012 1:15 am

Quoting 22886 (Reply 13):
this is what the repairs look like on VH-OQA

Thanks for those!
 
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kanban
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RE: SQ A380 Wing Repairs?

Mon Aug 20, 2012 6:00 pm

Quoting breiz (Reply 6):
I assume that to replace the faulty brackets, they had to remove the skin of the wing.

definitely no skin removal required

Quoting 22886 (Reply 13):
my235: this is what the repairs look like on VH-OQA

looks like the repairs were done in a cheap body shop.

blowing up the second wing picture, it appears to have a non aerodynamic surface.. however it may just be irregular painting in small blocks by hand vs. airgun.
 
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bikerthai
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RE: SQ A380 Wing Repairs?

Tue Aug 21, 2012 3:57 pm

You know,

It looks like they are performing some sort of paint experiment. Note that one patch is white and one patch is dark.

I wonder if it have to do with laminar flow experiment and they are trying on different finishes?

bt
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