As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, SYSTEM A HYDRAULIC QUANTITY REDUCED TO 8%. LEFT ENGINE HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT WAS GROUNDED. MAINTNENANCE FOUND A SYSTEM ELECTRIC MOTOR DRIVEN PUMP ACOUSTIC FILTER PRESSURE INLET FITTING LEAKING. REMOVED AND REPLACED INLET FITTING O RING IAW AMM 29-11-27. LEAK CHECK GOOD.