Door Stowage Box Puzzle

[snapdragon]

Hello, I am having a time with my driver's door pocket (D3).
Usually when I open it, it stays open and I get something out and then pat it shut. Some days it is stiffer to open and springs shut, no matter how may times I reopen it and pull it this way and that way, and then later on try again and it works as normall. Am I missing a trick here?
Kindest regards.