What was found
(CAN) ON TAXI A HYDRAULIC SYSTEM PRESSURE AND QUANTITY DROPPED. INTERCONNECT OPENED AND 'B' SYSTEM QUANTITY DROPPED. MAIN LANDING GEAR ISOLATION VALVE REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON TAXI A HYDRAULIC SYSTEM PRESSURE AND QUANTITY DROPPED. INTERCONNECT OPENED AND 'B' SYSTEM QUANTITY DROPPED. MAIN LANDING GEAR ISOLATION VALVE REPLACED.