What was found
FAILED ALUMINUM HYDRAULIC LINE IS LOCATED BETWEEN THE AUXILIARY HYDRUALIC PUMP PRESSURE SWITCH TEE FITTING AND THE THRUST REVERSER ACCUMULATOR. THE LINE FAILED AT THE FLARE UNDER THE B-NUT ON THE PRESSURE SWITCH FITTING, WHICH RESULTED IN A SUBSEQUENT HYDRAULIC SYSTEM FLUID LOSS. SUBMITTER SUGGESTS REPLACING THIS LINE WITH A STAINLESS STEEL BRAIDED FLEX LINE DUE TO THE HYDRAULIC PANEL VIBRATION DURING THRUST REVERSER ACTUATION.