As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE B-SYSTEM HYDRAULIC RESERVOIR LOW QUANTITY LIGHT ON WITH FLUID LEVEL AT THREE-EIGHTS FULL. AT SAME TIME, NOTED B2 ATM ON PRESSURIZING B-HYDRAULIC SYSTEM AND B-PUMP LOW PRESSURE LIGHT ON FLUID LOSS STOPPED WITH PUMPS TURNED OFF. FOUND B-SYSTEM ENGINE DRIVEN PUMP CASTING CRACKED. REPLACED SAME. OPS CHECK GOOD.