As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ARRIVING AT THEIR DESTINATION & DURING THEIR POST FLIGHT INSPECTION THEY NOTED FLUID LEAKING FROM AN AFT FUSELAGE DRAIN & DETERMINED THAT IT WAS HYD FLUID. HYD RETURN LINE LOCATED IN THE HYD FILTER PANEL AREA FAILED CAUSING THE LEAK. THE FAILED HYD RETURN LINE PN 6617052-29 WAS REMOVED & A NEW RETURN LINE WAS INSTALLED. THE BELLY WAS WASHED OUT & FUNCTIONS WERE COMPLETED. THE ACFT WAS RETURNED TO SERVICE.