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 20R BETWEEN FS 349.00 €“ 364.00 (C-CHECK RO 9/8/2021) REMOVED AND REPLACED INTERCOSTAL AT STGR 20R, BETWEEN FS349 AND FS364. REF. CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND DWG# SH670-31950 REV. Y SHEET 9 / COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)