As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL TO THE IMMEDIATE LEFT OF STGR 27 FROM FS 349 TO FS 364 IS CORRODED, MARKED. C-CHECK RO 12/26/2020. REMOVED AND REPLACED INTERCOSTAL TO THE IMMEDIATE LEFT OF STGR 27 FROM FS 349 TO FS 364, REF CRJ900 SRM AND DWG. COMPLIED WITH SKYWEST TASK CARD. COMPLETED FORM M-337. PRESSURE LEAK CHECK GOOD. SEE CONTINUATION CARD FOR DETAILS.