As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD SIDE OF FRAME, FS 310 OUTER FLANGES, FASTENERS & VERTICAL WEB ARE CORRODED BETWEEN STR 26L & 24R. BLENDED AND EVALUATED FRAME AT FS 2310. ORIGINAL THICKNESS IS .050, REMAINING THICKNESS IS .024. MAX ALLOWABLE LOSS IS .005, ACTUAL MATERIAL LOSS IS .026 AND IS FOUND TO BE OUT OF LIMITS REF. SRM 53-21-06-101-002-A02. REPAIRED.