What was found
DURING HEAVY CHECK MAINTENANCE FOUND PAX FLOOR STRUCTURE CORROSION ON LEFT SILL AT FR16 LBL46. PAX FLOOR STRUCTURE, CORRODED LEFT SILL AT FR16 LBL46 REPLACED IAW SRM 51-41-02 AND SRM 51-43-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND PAX FLOOR STRUCTURE CORROSION ON LEFT SILL AT FR16 LBL46. PAX FLOOR STRUCTURE, CORRODED LEFT SILL AT FR16 LBL46 REPLACED IAW SRM 51-41-02 AND SRM 51-43-02.