As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LEFT ENGINE HYDRAULIC LINE RUPTURED DUE TO WEAR AGAINST ANOTHER HYDRAULIC LINE''S FITTINGS. THE LINE IS LOCATED AT THE AFT PRESSURE BULKHEAD. SUBMITTER STATED IT IS IMPORTANT TO KNOW THAT THE POINT OF ''RUBBING'' IS DIFFICULT TO INSPECT. THE RUPTURE OF THE LINE ALLOWED SYSTEM FLUID TO DEPLETE RESULTING IN LOSS OF SYSTEM PRESSURE. (X)