The cold-moderate climate this area sits in puts real stress on an aging torsion spring. Steel contracts in cold snaps and expands in summer heat, and a spring that's already near the end of its rated cycles fails faster under that swing than it would in a milder climate. On a 1993 door, that spring has likely seen three decades of exactly that cycle.
The other local failure point is the opener's travel limits drifting on older chain-drive units - common on installs from that era, and it shows up as a door that reverses partway or won't fully seat on the floor. It's a five-minute fix once we're there, but it's often mistaken for a dying motor and the homeowner waits months before calling.
What we don't see as much here, compared to newer construction closer to Garner, is insulation-related panel delamination - newer doors use foam-core construction that can separate from the steel skin over time. A 1993 door is usually solid steel with no foam core at all, so that particular failure just doesn't apply to most of what's on the ground in Zebulon.