As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON STRINGER SPLICE AT FS 333 STGR 22R. C-CHECK RO 12/26/2020. REMOVED AND REPLACED STRINGER SPLICE AT FS 333 STGR 22R, REF CRJ900 SRM AND DWG. COMPLIED WITH SKYWEST TASK CARD COMPLETED FORM M-337. SEE CONTINUATION CARD FOR DETAILS. PRESSURE LEAK CHECK GOOD, NO LEAKS NOTED.