What was found
HYD VOLUME LOW B AMBER CAS MESSAGE DISPLAYED IN FLIGHT. WE COMPLETED QRH CHECKLIST. VOLUME AFTER LANDING IS 2%. REMOVED RT INBD ROLL SPOILER MANIFOLD. INSTALLED REPAIRED RT INBB ROLL SPOILER MANIFOLD. PERFORMED LEAK CHECK AND LEAK CHECK GOOD. PERFORMED OPS-CHECKS AND OPS-CHECKS ARE GOOD. PERFORMED A BLEEDING OF THE HYDRAULIC SYSTEM B. DUE TO THE CREW USING THE EMERGENCY TANDING GEAR HANDLE, JACKED UP THE AIRCRAFT AS REQUIRED AND RESET THE EMERGENCY LANDING GEAR HANDLE AS REQUIRED. PERFORMED OPS-CHECK OF THE LANDING GEAR AND OPS-CHECK WAS GOOD. JACKED DOWN THE AIRCRAFT AS REQUIRED. CLOSED ACCESS TO THE RT INBD ROLL SPOILER MANIFOLD. WORK PERFORMED IAW AMM 27-60-20 AND 32-32-00.