The NDS fit is probably fucked now - get a replacement.
If you can't / don't want to: fixing compound ahoy or it will keep backing itself off. And check that the extractor bolt is still in place and glue that down, too.
@Howard started
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The NDS fit is probably fucked now - get a replacement.
If you can't / don't want to: fixing compound ahoy or it will keep backing itself off. And check that the extractor bolt is still in place and glue that down, too.