As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - AIR TURNBACK - FLT 0251 - AFTER TAKEOFF FROM PHX EN ROUTE TO MSP RECEIVED ECAM MESSAGE LG LGCIU 2 FAULT, TURNED BACK TO PHX AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL AND INTERFACE FACE UNIT (LGCIU) NR 2 (5GA2) IAW AMM 32-31-71. AIRMAN INDICATED A HARD FAULT FOR LANDING GEAR SELECTOR VALVE (40GA). REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE IAW AMM 32-31-12. JACKED AIRCRAFT AND PERFORMED LANDING GEAR OPERATIONAL CHECK, CHECK WAS GOOD.