What was found
FLT 6448, SAL-MCO(AIR TURN BACK TO SAL). L/G LGCIU 2 FAULT, ECAM ANNOUNCED LEVEL FL 370-35 MIN AFTER T/O. STATUS PAGE INOP SYS:LGCIU ; REF N/R 2021-524-524021, REMOVED AND REPLACED PROXIMITY SENSORS 20GA, 24GA, 38GA IAW AMM 32-31-73-400-001-A AND 32-31-73-400-005-A, REPLACED LGCIU 2 IAW AMM 32-31-71-400-001-A, PERFORMED FUNCTIONAL TEST OF THE NORMAL EXTENSION AND RETRACTION OF LANDING GEAR IAW AMM 32-31-00-720-002-A, TEST IS OK.