Most calls from this part of the Cumings area start the same way: the door is maybe ten years old, it's starting to sag at the bottom corners, or the opener strains and reverses before it fully closes. That's the builder-grade spring giving out, not the door itself failing - the steel skin usually outlasts the cheap torsion hardware underneath it. Some owners also notice the door is noticeably heavier to lift by hand than it used to be; that's the spring losing tension, not the door gaining weight. If the door drops suddenly instead of lowering evenly, stop using the opener and don't try to force it - that's a spring or cable problem, not a track adjustment.