As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NO2 HYDRAULIC SYSTEM MAIN FILTER PRESSURE MANIFOLD BULKHEAD FITTING FRACTURED. LOSS OF HYDRAULIC FLUID. INVESTIGATION FOUND THE FRACTURE SURFACE WAS COARSE TEXTURED WITH CHEVRON MARKINGSINDICATING OVERLOAD FRACTURE DUE TO ROTATION IN A CLOCKWISE MANNER. THE FITTING FAILED BY OVERLOAD FRACTURE CONSISTENT WITH OVERTIGHTENING.