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

https://brokenspring875.quantlynix.com/posts/freezing-morning-garage-door-repair-with-broken-spring-and-opener-issues

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.