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

https://doorspring374.wordcanopy.com/posts/can-a-snapped-spring-cause-off-track-door-roller-replacement-on-cold-mornings

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.