As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, 'A' SYSTEM HYDRAULIC QUANTITY DECREASING. ONCE QUANTITY DECREASED TO 2.5 GALS, 'A' SYSTEM PUMPS DEACTIVATED, FLUID SHUTOFF VALVES CLOSED AND AFFECTED FLIGHT CONTROL SYSTEM SWITCHES TURNED OFF. QUANTITY STABILIZED AT 2.2 GALS. FLIGHT CONTINUED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED 'A' SYSTEM HYDRAULIC PRESSURE TRANSMITTER. OPERATIONAL AND LEAK CHECK NORMAL.