As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL ATTACHED TO STGR 21L BETWEEN FS 333.00 - 349.00 (C-CHECK RO 11/6/2024) REMOVED AND REPLACED WITH NEW BACK-UP SILL BETWEEN FS. 333 AND FS. 349 STGR 21L (SEE CONTINUATION CARD FOR DETAILS) REF. CRJ 700 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 AND DWG SH670-31810 REV AE. TASK CARD 51-900-1002-SKY COMPLIED WITH.