As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AROUND NUTPLATES ON THE LEFT SLOPING FLOOR SUPPORT AT FORWARD WALL BS 1087. BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS FABRICATED A NEW FLOOR SUPPORT AND REPLACED IAW SRM 51-40-02, 53-00-53, AND DRAWING 453T1719. AIRCRAFT GROUNDED