What was found
RIGHT BLEED AIR VALVE MESSAGE CAME ON TAKE-OFF ROLL, ABORTED AT 40 KNOTS. (ATO) TAXIED BACK TO GATE. (BTB) DEFERRED R ENG HPSOV PER MEL 36-11-2-1, MX PROCEDURES ACCOMPLISHED PER MPM 36-11-2, PLACARDS INSTALLED, MBCB 01-03-26 , AUTH# 2025-046. AIRCRAFT RETURNED TO SERVICE.