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Wing Fuselage Attachment

mk73413 From India, joined Jan 2011, 8 posts, RR: 0
Posted (2 years 3 months 2 weeks 5 days 16 hours ago) and read 3946 times:

How different wing fuselage attachment looks when it comes to composite wing ( composite spar, skin) or it is just metal to composite replacement ..(I suppose some parts like splices /cruciform's ,root rib still be in metal)

Any lesson learnt from B787 composite wing??

3 replies: All unread, jump to last

411A From United States of America, joined Nov 2001, 1826 posts, RR: 9
Reply 1, posted (2 years 3 months 2 weeks 5 days 15 hours ago) and read 3937 times:

Quoting mk73413 (Thread starter):
Any lesson learnt from B787 composite wing??

Yup.
Make it stronger by a factor of two, at the attachment location.
The first forty 787's to be delivered, will be returned to Boeing at the first heavy check scheduled, for rework of the attachment area (among other items)...so I have been told by a Boeing rep, recently.

SP90 From United States of America, joined May 2006, 386 posts, RR: 0
Reply 2, posted (2 years 3 months 2 weeks 4 days 19 hours ago) and read 3705 times:

Quoting 411A (Reply 1):
The first forty 787's to be delivered, will be returned to Boeing at the first heavy check scheduled, for rework of the attachment area (among other items)...so I have been told by a Boeing rep, recently.

Why not rework the attachment area now while they are still at Boeing being tested/assembled? Why wait for the first heavy check?

411A From United States of America, joined Nov 2001, 1826 posts, RR: 9
Reply 3, posted (2 years 3 months 2 weeks 4 days 16 hours ago) and read 3641 times:

Quoting SP90 (Reply 2):
Why not rework the attachment area now while they are still at Boeing being tested/assembled? Why wait for the first heavy check?

Boeing procedure.