As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER FLIGHT, MAINTENANCE NOTICED HYDRAULIC FLUID ON THE CENTER BEAM IN WHEEL WELL. SUBSEQUENT TESTING REVEALED THAT THE CHECK VALVE ON TOP OF THE COMBINED SYSTEM RELIEF VALVE WAS LEAKING DUE TO A CRACK DOWN THROUGH THE THREADS ON THE ACFT FITTING SIDE.