As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* L/H FS 513.00 FRAME HAS SMALL SPOT OF CORROSION APPROX. 1" ABOVE PRESSURE FLOOR SILL AT AFT INB CORNER OF FRAME. (C-CHECK) RO: 10/22/19. PERFORMED BLEND OUT OF CORROSION AT L/H FS 513.00 FRAME 1.0" ABOVE PRESSURE FLOOR SILL I/B CORNER. IAW SRM. FOUND TO BE WITHIN LIMITS. RESTORED FINISH IAW SRM.