right casement window cannot crank close

A quick learner from USA says:
Hi there, our right casement window cannot crank close, we are looking for replacement. Above are pictures that we took. Its looks like your maxim dual arm operator, sill mount. The number on the picture is 41011 TRUTH. Please advise.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
It's hard to tell exactly what you have without seeing pictures of this operator fully removed from the window, but I would start out by looking at our 39-253L and 39-253R. Carefully compare these parts to your own operator and see how well they match up.
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