As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE, LANDING GEAR WOULD NOT RETRACT. COMPLIED WITH ECAM QRH AND RETURNED TO DEPARTURE. THE GEAR HANDLE WOULD ONLY GO UP TO THE NEUTRAL MIDDLE POSITION ON BOTH SYSTEMS. REMOVED AND REPLACED PITCH DAMPER ON THE RT GEAR IAW AMM 32-11-15-04-0. SERVICED THE DAMPER WITH NITROGEN IAW AMM 12-12-32-00. ACFT OK FOR SERVICE.