Galvanic corrosion

Aleš Marinšek

Hello everyone,
I recently saw two AMEL 55, both from 2014, with galvanic corrosion on the mast, mizzen and booms as well as on the hatches. The white paint bubbles and peels off. The underlying aluminium looks oxidized. Please, see attached photos.
I wonder if this is just a cosmetic issue or a structural problem? Does similar corrosion occur on other AMELs (55 or maybe 54)?
I will appreciate your feedback.

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