As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABOUT 5 TO 10 MINUTES OUT OF DEN AIRCRAFT LOST ''B'' HYDRAULIC SYSTEM. LANDED UNDER AMBER ALERT. *S/D* REPLACED ''B'' SYSTEM PUMP PRESSURE LINE TO PRESSURE MODULE. ALSO CHANGED RETURN FILTERS. SERVICED HYDRAULIC FLUID TO FULL. PRESSURE CHECKED OK, NO LEAKS ON GROUND.