(c)
In any case filed in the United States Court of Appeals for the Federal Circuit, the court shall review the record and hold unlawful and set aside any agency action, findings, or conclusions found to be—
(1)
arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law;
(2)
obtained without procedures required by law, rule, or regulation having been followed; or
(3)
unsupported by substantial evidence;
except that in the case of discrimination brought under any section referred to in subsection (b)(2) of this section, the employee or applicant shall have the right to have the facts subject to trial de novo by the reviewing court.