Cover for fenders

In my necessary change of the front right fender is another weak point of the rust prevention (possibly. This model was also developed in a constructive and age-related way.
Rust bubbles above the "covering for fenders" could also be a sign of this problem for your vehicle! Under these covers, a greater amount of sand, dust, chemical substances and, of course, moisture accumulates over the years.
In the appendix a picture of the neuralgic area of fender fastening below.