As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CPCP TASK MULTIPLE AREAS OF CORROSION ON FLOOR BEAM Y1292, FR 66-68 (L4 DOOR); REMOVED AND REPLACED FLOOR BEAM Y1292 FR 66 TO FR 68 (L4 DOOR) IAW A321 SRM 51-42-11 AND SRM 51-72-11 ALL WORK ACCOMPLISHED ON STS WO W004054 NR N0521.