As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER HYD QTY DROPPED TO ZERO 3X ON TAXI OUT. RESERVOIR LIGHT CAME ON OVERHEAD ALSO. FWD TO MCO AND PLACARD PER MEL 29-33-02. CTR HYD QTY INDICATION INOP. PERFORM REP CK. REPLACED CENTER RESERVOIR QTY TRANSMITTER PER M/M REMOVED MCO A PLAC LEAK CHECK OK.