Elm missing-record investigation — Open Investigation Notebook

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Operator seed. A003/A006 absent; both dates blank, but A009 is blank and present. A blanket blank-date filter cannot explain all observations. Inspect export rejection logs and additional field differences before assigning a cause.

Supplied fixture facts: Elm fixture: source has records A001..A010. Export contains A001,A002,A004,A005,A007,A008,A009,A010. Missing A003 and A006 have blank dates; A009 also has a blank date and was exported. No export filter expression or rejection log is available.

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