What was found
DURING HEAVY MAINTENANCE: AT FL 390 ECAM MESSAGES: - LANDING GEAR SHOCK ABSORBER FAULT. AUTO FLT: AP OFF- AUTO FLT A/THR OFF - INOP SYS- AP 1 AND 2, A/THR CAT 2, L/G RETRACT; PERFORMED TSM 32-31-00-810-868-A AND FOUND PROX SENSOR 24GA AND 25GSA FAULTY, REMOVED AND REPLACED SENSORS IAW AMM 32-21-27-OO/400-001-A AND PERFORMED LANDING GEAR SWING IAW AMM 32-31-00-720-002-A AND TEST IS GOOD.