The most common approaches to eaves trough gutter troubles are to repair and re line the existing integral gutter or to abandon it entirely.
Replacing box gutters with aluminum.
If you do opt to extend the roofline for the aluminum do not let them throw a piece of wood over the box gutters.
Meanwhile here is a general approach to replacing integral gutters with an aluminum fascia mounted gutter.
A few of the neighbors with similar homes have aluminum gutters so i m sure it can be done.
This fix has a tendency to bow over time creating a leaking situation.
It s important that the patch match the gutter material.
When a box gutter system is failing due to leaks rotting or corrosion one option you have is to replace the box gutters with a more modern gutter system.
If you don t you ll encourage electrolytic corrosion a process that slowly etches away one metal in favor of the other.
There are at least three leaks and one is so bad the wood paneling under the gutter rotted and fell off.
First clean all debris from the gutter with a wide putty knife or plastic gutter scoop 4.