Question juridique clé
Whether the disability pension was correctly reduced from a full to a half pension.
Solution extraite
The reduction was lawful; the appeal showed no clearly incorrect fact-finding or federal-law error.
Motifs extraits
The appellant did not contest the assessed residual work capacity, only the income comparison. The court held that the use of prior earnings as valid income and the absence of a further deduction from the statistical wage were not arbitrary or unlawful.