As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOORBEAM STA 200 LBL1 TO LBL20 HAS CORROSION. FLOORBEAM FOUND TO BE OUT OF LIMITS IAW SRM 53-01 FIG 1. REMOVED FLOORBEAM. FABRICATED LOCATED DRILLED DEBURRED IAW SRM 51-10-4. TREATED AND PRIMED AND INSTALLED NEW FLOORBEAM IAW SRM 51-10-3 AND 51-30-5.