OK... so we are looking at drivers side front... just behind radio antenna...
Are there stains on the roof too??
Was any patching done in that area? (the sealant looks interesting...) Dont know if you are the original owner.
Assuming roof is clean - I expect there is something metal under that sealant and in that trim that shouldn't be there. Digging into that sealant - and replacing it with fresh Dicor when done to reseal.
If it is on the roof too - with line to the AC unit - then we can look up there - but from what I can make out - I'm thinking the roof will be clear and the problem is on the top corner.
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)