What was found
UPON REMOVAL OF L4 DOOR ENTRANCE FLOORBOARD FOUND CORROSION ON FLOOR BEAM AT FR 64-66. REMOVED AND REPLACED FLOOR BEAM @FR 64-66 ON L4 DOOR ENTRY IAW A321 SRM 53-41-14-283-009, SRM 51-42-00, SRM 51-72-11-911-001 AND AMM 53-42-12-000-002-A. MX ACTION IS ACCEPTABLE.