As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 579 - ON APPROACH TO CLT, CREW DECLARED AND EMERGENCY DUE TO LOW PRESSURE ON THE SYSTEM A HYDRAULICS. QUANTITY AND PRESSURE LOSS WAS THROUGH THE ENGINE DRIVEN PUMP. QUANTITY LOSS STOPPAGE WHEN ENGINE DRIVEN PUMP WAS BYPASSED. FLIGHT LANDED WITHOUT INCIDENT AND WAS TOWED TO THE GATE. MAINTENANCE FOUND A LOOSE SYSTEM A HYDRAULIC PRESSURE LINE TO THE AILERON PCU LEAKING. SECURED LOOSE LINE. SERVICED SYSTEM A HYDRAULICS. LEAK CHECK GOOD. (M)