As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN DECLARED AMBER ALERT, LOOSING A SYSTEM HYDRAULICS, UPON INSPECTION AT MSP, THE B-NUT ON THE SYSTEM A-EMDP ACOUSTIC FILTER WAS FOUND LOOSE AND LEAKING. THE B-NUT WAS TIGHTENED AND AN EXTERNAL HYDRAULIC LEAK CHECK WAS PERFORMED TO ENSURE THE LEAK WAS CORRECTED. HYDRAULIC FLUID LEVELS WERE CHECKED AND SERVICED.