As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO CLT GOT "G HYD RSVR LO LVL" ECAM MESSAGE, AN EMERGENCY WAS DECLARED AND CAPTAIN REQUESTED EMERGENCY EQUIPMENT AT THE RUNWAY. FLIGHT LANDED WITHOUT INCIDENT AND WAS ABLE TO TAXI TO THE GATE. REPLACED NORMAL BRAKE LINE IN AFT CARGO COMPARTMENT IAW AIRBUS MAINTENACE MANUAL 20-23-11. NO LEAKS NOTED.