As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERNAL FUSELAGE UNDERFLOOR AT STA 783.102 FLOORBOARD ANGLE GOING FROM STRINGER 25 LT TO 25 RT HAS UPPER SURFACE CORROSION. REMOVED CORROSION REF SRM 51-21-00-00-02. FOUND TO BE WITH IN LIMITS IAW RD 8/4-53-3685. COMPLIED WITH HORIZON TASK CARDS RD 8/4-53-3684 AND RD 8/4-53-3685.