As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FS 501 TO FS 517 ON LBL FLOORBEAM. BLENDED OUT CORROSION ON FLOORBEAM CAP FS 501 - FS517 LBL9 PER CRJ 700 SRM 51-21-06. LBL9 FLOORBEAM REPLACED DUE TO OUT OF LIMIT CORROSION. REFER TO W/O 105591 N/R-00391 FOR THE REMOVAL AND REPLACEMENT OF LBL9 FLOORBEAM FS485-565.