Welcome Steffen!

Flaps rails left and right
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Use these PMA new parts:

http://www.mcfarlane-aviation.com/Products/?PartNumber=MC0525001-2

With all the work involved in putting in the flap tracks it is just not worth putting in used parts here.

Helping my mechanic the whole job to replace them on both sides took us 8 hours. (2 people x 8 hours + 16 man hours)

We also put in the roller kit at the same time - again - while you have it all apart - you just have to do it:

http://www.mcfarlane-aviation.com/Products/?CategoryID=54&PartNumber=MCSK100&


Good luck with the spring gear - that is getting harder to get. Try the junk yards. Last time I did the springs cost me $115 each. They came with the steps still on them.

Graeme J W Smith
www.graemejwsmith.com [graemejwsmith.com]