Lock Stopped Working

A home owner from USA says:
What do I need? Lock stopped working. Thank you.
Patio Handle
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. Can you go into more detail? When you say the lock stopped working, do you mean the internal mortise lock, or the handle latch itself? I'm afraid we do not sell the mortise lock, but I think our 82-078 handle set could replace what I see in your pictures.
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