Handle for the lock snapped

A handy person from Ohio says:
Handle for the lock snapped
User submitted photos of patio door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Your broken thumb latch appears to resemble our Andersen 82-043. You may also want to check your mortise lock. Usually when the thumb latch breaks like this, it's because the mortise lock is failing. See our 82-037 for a possible replacement.
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