If a door binds open it grasp the knob and lift up to see if a hinge is loose.
Top door hinge loose.
If you encounter movement at the hinge screws they need to be retightened.
Open the door grasp it by the lock edge and move it up and down.
If one is loose remove two or more screws and try driving in longer screws.
Score the tee with a utility knife flush with the mortise.
How to tighten stripped hinge screws.
Remove the loose screws.
Remove the screws that hold the loose hinge leaf to the door jamb.
Binding problems at the top of any door are usually the result of a loose hinge.
Break the tee off even with the bottom of the mortise.
If the hinge pin falls out.
If the hinge screws have been loose for only a short time you may need to tighten them with a screwdriver.
Open the door wide and insert a wedge under the bottom outside corner to level it.
It can be because of stripped screws in the top hinge that finally give out or simply the weight of the door.
Allow the glue to dry.
Coat a wooden golf tee with glue.
Tap the hinge pin back into the door with a hammer at the top of the pin barrel.
If the hinge and jamb are painted cut the paint around the leaf with a utility knife swing the leaf away from the jamb.
Reinstall the hinge and screws in the holes.
Tap the tee into the hinge screw hole with a hammer.