As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT STA 319 FROM STR 21L - 20 L HAS CORROSION (C-CHECK) RO 2/1/2021 INSTALLED NEW FRAME AT FS 319 FROM STR 21L -20L REF CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01 AND DWG SH670-31810 REV Y. COMPLIED WITH 51-900-1002-SKY AND PRESSURE CHECK GOOD . SEE CONTINUATION CARD FOR DETAILS