As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE, GREEN HYD WENT TO LOW QTY ON ECAM, ECAM QTY, & OVERHEAD SYS QTY RETURNED TO NORMAL AFTER LANDING. TROUBLE SHOT & FOUND RESERVOIR READING 7.5 GAL AT DIRECT READING GAUGE ON RESERVOIR AFTER BLEEDING OFF HEAD PRESS. R & R GREEN SYS QTY TRANSMITTER IAW MM 29-31-11-04. RAN ACFT ENG IAW JRH & CYCLED ALL FLIGHT CONTROLS THRU SEVERAL CYCLES. SYS HEAD PRESS CHECK & HOLDING. NO DEFECTS NOTED DURING & AFTER ENG RUN. ACFT OK FOR SERVICE.