What was found
AIRCRAFT WAS GROUNDED: AFTER GEAR HANDLE UP AFTER TAKEOFF, FIVE SECOND ECAM: LANDING GEAR NOT UPLOCKED. FLIGHT CREW REPORTED THAT THERE WAS MAYBE ALSO LANDING GEAR DOORS NOT CLOSED MESSAGE. MESSAGE WENT AWAY AND THE FLIGHT CREW COULD NOT RECALL IT BUT IT IS ON CFDS ECAM PAGE. FLIGHT CREW WAS NOT SURE WHICH GEAR INDICATED. MAINTENANCE ACCOMPLISHED TSM 32-31-00-810-808-A AND REPLACED THE FOLLOWING ITEMS: PRIORITY VALVE 1064GM (AALA202401232462), LANDING GEAR SYSTEM ISOLATION SAFETY VALVE 49GA (AALA202401239135) AND RELAY 62GA (AALA202401238893). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.