As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON UPPER SURFACE OF BS1016 +13' RH FLOOR WEB; RBL 4.5 TO 6; WL 208 / BLENDED CORROSION ON R/H FLOOR WEB BS 1016+13' RBL 4.5' TO 6' WL208 1.5' X 1.5' X .004' TREATED AND PRIMERED PER EA 1-753-33704 REV IR AND ATS ER 18-05359 REV IR