Note the positions, package types and any door or loading event. Uneven food response is useful evidence but does not directly identify an internal airflow component.
What the observation tells you
A large dense pack can remain hard longer than a small item, so texture comparisons alone can mislead. An upper drawer that is not seated may also affect closure. Avoid pulling fixed panels apart to follow the pattern.
A useful next step
Check ordinary drawer positioning and appropriate temperature information. Apply official food-safety guidance to uncertain contents and describe the refrigerator condition separately when requesting assessment.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.