As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*CORROSION NOTED ON INTERCOSTAL BETWEEN FS333-FS319 AND STRG 21L, MX# 26984448 (C-CHECK RO 10/4/2023) INSTALLED THE NEW BACK-UP SILL (INTERCOSTAL) TO STGR21L BETWEEN FS.310-333 REF. CRJ 700 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 AND DWG #SH670-31810 REV. AE. COMPLIED WITH TASK CARD 51-900-1002-SKY.