What was found
UPON REMOVAL OF L4 DOOR ENTRANCE FLOORBOARD FOUND CORROSION ON FLOOR BEAM AT FR 66-68. REMOVED AND REPLACED FLOOR BEAM @FR 66-68 ON L4 DOOR ENTRY IAW A321 SRM 53-41-14-283-009, SRM 51-42-00, SRM 51-72-11-911-001. MX ACTION IS ACCEPTABLE.