The garage door may have looked fine in the dark, but after the spring snaps on a cold morning, it becomes heavy, stuck

https://garagespring264.theburnward.com/broken-spring-replacement-for-a-garage-door-that-jumped-the-track-in-cold-weather

The garage door may have looked fine in the dark, but after the spring snaps on a cold morning, it becomes heavy, stuck, and clearly broken.