As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A3NB-53-3-6185 MAIN CABIN FLOOR SUPPORT -Y765 HAS CORROSION AT F R66. FLOOR SUPPORT Y765 FR86 FOUND TO BE OUT OF LIMITS IAW 53-00-14-2 83-002 L=1.75" W=1.0" D 0.022" REMOVED DAMAGE AREA IAW SRM 51-42 -11 LOCATED AND DRILLED NEW BEAM IAW SRM 51-44-11 INSTALLED NEW BEAM IAW SRM 51-42-11.