As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK, NR 1 HYDRAULIC SYSTEM LEAKING. QUANTITY STOPPED AT 2 GALLONS AFTER PLACING EDP SWITCH TO DEPRESS. ADP WORKED NORMAL AFTER 20 MINUTES IN CONTINUOUS ADP PRESSURE DROPPED TO ZERO. FOUND LINE CRACKED AT CLAMP IN SAILBOAT AREA. REMOVED AND REPLACED HYDRAULIC LINE IAW MM. CASE DRAIN FILTERS CHANGED AND SYSTEM OPERATED AND LEAK CHECKED IAW MM.