As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL AT STGR 20R BETWEEN FS 319 AND FS 333 HAS CORROSION, MARKED. C-CHECK RO 12/26/2020. REMOVED AND REPLACED INTERCOSTAL AT STGR 20R BETWEEN FS 319 AND FS 349, REF CRJ900 SRM AND DWG. COMPLIED WITH SKYWEST TASK CARD STRUCTURAL MAJOR REPAIR (RII).