The issue a door latch stuck due to a jamming latch will have no real variation between how the latch moves when it is pressed in or when the handle is turned both when the door is open and when it is shut.
Thumb press door handle sticking.
Remove the cap on the graphite powder.
Squirt the bolt with graphite powder.
Release the button quickly try sliding your finger off the button so the pressure is maintained up until the precise moment of release with no backing off.
If the latch bolt moves it is sticking in the door knob and requires some disassembly to fix.
If the latch bolt doesn t move and is fully extended the issue is with the strike plate.
Turn the handle of the doorknob to expose the bolt.
Push and hold the button in.
This is because the issue is not with the door and not even with the control the knob has over the stuck latch.
The most common cause of sticking door handles is some kind of malfunction within the tubular latch itself.
Open the door and squirt graphite powder into the key lock.
A door knob lock button stuck has a few quick fixes that you can try out.
Turn the knob to open the door and release the knob slowly.