As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: THE AIRCRAFT DIVERTED TO PHX DUE TO THE FLIGHT CREW REPORTING A LANDING GEAR CONTROL INTERFACE UNIT #2 FAULT ECAM MESSAGE AFTER GEAR RETRACTION ON TAKEOFF. THE AIRCRAFT LANDED SAFELY AT PHX WITHOUT FURTHER INCIDENT. MAINTENANCE NOTED THAT THE POST FLIGHT REPORT SHOWED A FAULT FOR THE RIGHT MAIN LANDING GEAR DOOR CLOSED PROXIMITY SENSOR 28GA AND REPLACED THE SENSOR PER AMM 32-31-73. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED.