As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C-CHECK: NON ROUTINE N0558; MAIN CABIN FLOOR AT FRAME 68L FLOOR SUPPORT HAS CORROSION APPROX 25 SQ IN AT THE FASTENER HOLES. CORROSION ON FLOOR SILL. REMOVED CORROSION ON L-2 DOOR SILL AT FRAME 68 IAW SRM 51-74-00 BLEND OUT FOUND TO BE OUT OF LIMITS, REPAIRED IAW SRM 53-41-14, FIG 201 REPAIR PRINCIPLE NR 5.