What was found
DISCREPANCY: REFERENCE LP 1160067-3, DOOR 4R WILL NOT STAYED ARMED INFLIGHT. BOTH DOORS PAGE LOWER ECAM AND FAP SHOWED DOOR 4R DISARMED INFLIGHT. CORRECTIVE ACTION: REF N/R 2129N1, REMOVED AND REPLACED 4R DOOR PROXIMITY SWITCH PAX IAW AMM 52-71-11-000-001, 52-71-11-400-001-A OPS CHECK GOOD IAW AMM 52-71-00-710-001, TSM 52-13-00-810-805-A, AMM 52-71-00-820-002-A AND AMM 52-10-00-860-002./END/