As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 HYDRAULIC QUANTITY DECREASED TO 0.44 IN FLIGHT. QUANTITY STABLE WITH EDP DEPRESSURIZED AND ACMP OFF. INSPECTED NR 1 ENGINE FOUND ENGINE PUMP PRESSURE HOSE LEAKING. REPLACED THE NR 1 ENGINE PRESSURE HOSE. LEAK CHECKED GOOD IAW B767 AMM.