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

https://garageresource110.zenbloomer.com/posts/garage-door-repair-for-spring-snaps-that-lead-to-roller-trouble-before-work

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.