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Question on I struts

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curtis

curtis

Curtis
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I am in final assembly but can not find on the plans what the correct washer is between the I Strut and the wing? I thought it was an AN970-4 but that seems a little fat and sticks out on each side. Should it or does it call for a smaller washer. Looking back through Pictures I see many Pitts that don't have the washer hanging out on the both sides of the I struts. Just want to be sure.

Thanks
 
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