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12-11-2014, 12:44 PM
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Join Date: Dec 2014
Location: Melbourne beach, fl
Posts: 190
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Is this a problem?
I just pulled one of the wings off "Dusty" and the rear spar has been misdrilled. The attach point where it attaches to the fuse has a small hole next to it. See pic. Anybody know how I could fix this or is it a problem?

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12-11-2014, 12:53 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,687
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I would refer that to the Van's engineering department for evaluation, when it comes to primary structure what "the brain trust" thinks doesn't really matter.
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Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
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RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
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12-11-2014, 01:13 PM
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Join Date: Jan 2007
Location: AOTP
Posts: 192
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Quote:
Originally Posted by Jstov
Anybody know how I could fix this or is it a problem?
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Uuuuuuuhhhhhh...that's definitely one for Van's to answer. If you do ask them please let us know the response.
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Nauga
2004 RV-4
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12-11-2014, 01:30 PM
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Join Date: Nov 2006
Location: Tampa, Florida (KVDF)
Posts: 491
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Been there done that. Vans answer is it should be fixed. It really isn't as bad as it seems though. Only 2 doublers need to be replaced. Total job took me about 15 hours
Bill
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RV6A flying as of November 8, 2016. N717WK
Finishing a RV10
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12-11-2014, 03:07 PM
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Join Date: Jan 2007
Location: Mount Vernon, IN
Posts: 1,270
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Why are there so many sanding scratches and other marks on the part? Did they grind/file/sand on it too?
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12-11-2014, 04:14 PM
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Join Date: Dec 2009
Location: Montreal
Posts: 1,456
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After finding something like that you should look over the entire structure very carefully.
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Scott Black
Old school simple VFR RV 4, O-320, wood prop, MGL iEfis Lite
VAF dues 2020
Instagram @sblack2154
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12-11-2014, 04:26 PM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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Quote:
Originally Posted by vfrazier
Why are there so many sanding scratches and other marks on the part? Did they grind/file/sand on it too?
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The deeper gouges might be from trial fitting into an equally poorly finished spar pass through. The lighter sort of mangled looking lines around the hole are mill marks. These spars where made from raw bar stock. I spent days sanding and polishing out these mill marks before I primed and assembled them. Honestly, not sure if it makes that big of a difference but....
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Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
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12-11-2014, 04:49 PM
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Join Date: Aug 2012
Location: Lufkin Tx
Posts: 689
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Hole
[IMG]  [/IMG] I encountered the same problem on my -4. I emailed Vans and included the photos. Their response was replace the rear carry through spar and the attach point on the wing. This is unacceptable. I believe they told me you needed 5/16" clearance around the hole. It's an easy fix. The downside is you have to redo the wing sweep and incidence.
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Arlie Conner (A&P)
RV-4 (N124TT) Sold
RV-8 (N269CP) Sold
RV-4 (N684ML) completed 3-17-19
KOCH Nacogdoches
Last edited by acam37 : 12-11-2014 at 05:10 PM.
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12-11-2014, 05:42 PM
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Join Date: Feb 2005
Posts: 592
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Could the bolt hole not be enlarged to include the smaller pilot hole and use a larger bolt?
It wouldn't be easy to but would be easier than replacing the rear spar carrythrough.
Glenn Wilkinson
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RV-4 Sold
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12-11-2014, 05:54 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Quote:
Originally Posted by glenn654
Could the bolt hole not be enlarged to include the smaller pilot hole and use a larger bolt?
It wouldn't be easy to but would be easier than replacing the rear spar carrythrough.
Glenn Wilkinson
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Edge distance might bite you.
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Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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