Recommended · for some experience
Repairing broken traces on a circuit board
Why people recommend it
A practical guide to mending damaged or corroded copper tracks on a board with fine wire, commonly suggested when someone has cracked or otherwise damaged a PCB.
Watch for: Takes practice; the presenter's tools are high end
In their words
Repairing broken traces on a circuit board
Rocketmagnet on electronics.stackexchange.com, Sept 2020. CC BY-SA.