As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HAND ENGINE DRIVEN HYDRAULIC PUMP EXPERIENCED A HYDRAULIC FAILURE. THE SHEAR SECTION OF THE PUMP DRIVE SHAFT FAILED TO PERFORM CORRECTLY RESULTING IN A HARMONIC VIBRATION OF THE PRESSURE OUT LINE CAUSING HYDRAULIC LINE DAMAGE, SEVERAL CLAMPS AND BRACKETS TO BREAK ALONG THE HYDRAULIC LINE RUN AFT OF THE PUMP AS WELL AS LOOSENING OF 'B' NUTS ALLOWING HYDRAULIC FLUID LOSS.