As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, A-SYSTEM HYDRAULIC QUANTITY WENT TO ZERO THEN PRESSURE WENT TO ZERO. COMPLETED LOSS OF A-FLUID CHECK LIST. REMOVED AND REPLACED HYDRAULIC PRESSURE LINE AT STA 1342, SECTION 48. REMOVED AND REPLACED NR 1 AND NR 2 ENGINE HYDRAULIC DRIVEN PUMPS AND ASSOCIATED FILTERS PER MM 29-11-33. LEAK CHECKED AND GOOD.