Most of Cortland's housing went up after 1996 - noticeably newer than the 1960s and 70s stock that makes up much of the rest of the DeKalb service area. That matters for what's still original on these doors. A lot of Cortland garages are only now reaching the age where the factory spring and the factory opener start to wear out, where in older sections of the county that hardware has typically already been swapped once or twice.
So the failure pattern here tends to look different: fewer of the one-piece doors and odd-size openings you find on older housing, more standard sizes with original torsion springs finally hitting the end of their cycle count. Replacement at that point is often the more sensible move than trying to match an aging panel or chase down a discontinued part.
The tell is usually the same regardless of age - a door that's noticeably heavier to lift by hand, or an opener straining and reversing partway up. On a newer house, that's less likely to be rot or warped panels and more likely a spring or cable that's simply done its job and quit.