Flying_Nun
Line Up and Wait
Posted on diamondaviators.net. First post is from 2010 but the OP updated recently and it popped in the feed.
Looks like water penetration through fastener holes leading to corrosion of the untreated bonding strap.
https://www.diamondaviators.net/forum/viewtopic.php?t=3203
Looks like water penetration through fastener holes leading to corrosion of the untreated bonding strap.
https://www.diamondaviators.net/forum/viewtopic.php?t=3203