As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION NOTED HYDRAULIC FLUID LEAK FROM HYDRAULIC LINE CONNECTING POWER BRAKE SYSTEM FILTER ASSY. TO SYSTEM ACCUMULATOR. FURTHER INVESTIGATION REVEALED TUBING TO BE CRACKED NEXT TO B NUT FITTING. POSSIBLE CAUSES MAY INCLUDE TUBING MISALIGNMENT OR OVERTORQUING OF B-NUT AT SOME POINT, RESULTING IN FATIGUE CRACKING. TECH NEEDS TO FOLLOW PROCEDURES IN MM WHEN REINSTALLING TUBING AND HOSE CONNECTIONS.