As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONE REPORT DESCRIBING LOSS OF HYDRAULIC FLUID AND SYS PRESSURE. MECHANICS NOTED A HIGH FREQUENCY VIBRATION IN THE HYDRAULIC SYS SPECIFIC TO TUBE WHICH CAN LEAD TO A RUPTURE NEAR ONE OF THE ATTACHMENT FITTING. 11500 PSI HYDRAULIC SYS MODIFICATION ACCOMPLISHMENT INSTRUCTIONS. REPLACED THE RIGID TUBE.