Kernrechtsfrage
Whether the medical file was too outdated to support the pension decision under the investigation principle.
Extrahierter Entscheid
A two-year gap between the expert report and the decision did not by itself violate the duty to investigate, because there were no signs of a relevant change in health status.
Extrahierte Begründung
Absent indications of a deterioration or improvement before the decision, the administration could still rely on the earlier external expert report.