With a median build year of 1993, a lot of doors on this side of town are original to the house - over 30 years on the same torsion spring, same rollers, same cable. Springs are rated for a cycle count, not a calendar date, but a door that's opened and closed twice a day for three decades is well past where most springs are built to fail, and winter cold makes the metal more brittle right when you're least ready for it.
The region sits in a cold-moderate climate band, which doesn't mean brutal winters, but it does mean enough freeze-thaw swing through the year to work on steel that's already fatigued. A spring that's been fine all summer can let go on the first hard cold snap.
With roughly 3,039 households in Zebulon, you're not dealing with a dense stretch of identical townhomes where one fix pattern covers the block. The door hardware here varies more than it would in a newer subdivision, so the first step on any call is actually looking at what's mounted, not assuming it matches the last job.