As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AROUND NUTPLATE HOLE ON RH PRESSURE FLOOR SILL AT FS424.00 (C-CHECK RO 3/14/2022) BLENDED CORROSION FROM R/H PRESSURE FLOOR SILL AT FS424.00 TO A SMOOTH CONTOUR. REMAINING MATERIAL WITHIN LIMITS. REF REO 601R-53-41-666 REV -C DATED 2012-11-06. LEAK CHECK GOOD. COMPLIED WITH TASK CARD 51-900-1003-SKY.