Wind, hail and the cold swing
A wide garage door is a big flat panel, and on the plains the wind leans on it often. Over the years that flexing loosens hinges and track bolts and can crack the top section where the opener arm attaches.
Hail does its damage slowly. A dent near a hinge can kink a section so it binds, one side drags, one cable ends up doing most of the lifting, and it frays until it snaps months after the storm.
Then there's the swing: a warm afternoon, a hard north wind and a freezing night stress steel that is already near the end of its life, which is why springs so often go on the coldest morning of the week.
A door that bows in a gust, binds after a storm or sits lower on one side is worth a call now rather than later.