Corrosion on the top and bottom wing-to-winglet splice plate is still a common issue, although awareness has improved among customers. It's a good time for a reminder: Dassault Falcon Service Advisory 57-10-009-R00-A addresses this concern. When removing the KS35 filling compound, which is a hard structural adhesive, exercise caution to avoid damaging the composite winglet skin, especially during task AMM 20-32-00-390-801. Additionally, since the splice plate is not a primary structural element, post-blending of corrosion is limited to a maximum of 10% of the parent material.
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