As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND PAX FLOOR STRUCTURE CORROSION ON LH SUPPORT PANEL BETWEEN FR83 AND FR84 LBL45. PAX FLOOR STRUCTURE CORRODED LH SUPPORT PANEL BETWEEN FR83 AND 84 LBL 45, REMOVED AND REPLACED IAW EMB SRM 51-41-01 AND 51-41-02.