As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC PRESSURE LINE RUPTURED IN-FLIGHT DUE TO 'RUBBING' AGAINST ANOTHER HYDRAULIC LINE'S FITTINGS. THE RUPTURE CAUSED A LOSS OF HYDRAULIC SYSTEM PRESSURE AND DEPLETION OF THE HYDRAULIC RESERVOIR. THE LINE IS LOCATED AT THE AFT PRESSURE BULKHEAD AND IS DIFFICULT TO SEE DURING INSPECTION.