After the double spring ch ange was completed. You can see the black springs are new and are ready for operation.

Before the springs are repaired / replaced. You can see the left spring is the one that is visually broken, you can see the gap indicating that there is a separation in the spring coils. Thus the spring has sprung. This is a common occurrence once you open your door thousands of times. The spring that lifts your door will no last forever.