As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-6 CHECK, INSPECTION REPORTED SURFACE CORROSION OF FLOORBEAM AT STA 312 AFT OF COCKPIT DOOR. MAINTENANCE DETERMINED CORROSION OUT OF LIMITS PER SRM 51-70-12. REMOVED FLOORBEAM, FABRICATED AND INSTALLED REPLACEMENT FLOORBEAM PER SRM 53-00-51.