As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR FRAME AT F/S 313.56 BETWEEN DD4 AND DD5 INTERCOSTAL HAS COOROSION. (C-CHECK) RO 5/10/2020 REMOVED AND INSTALLED NEW PAX DOOR FRAME BETWEEN DD4 AND DD5 INTERCOSTAL. REF BOMBARDIER DWG AND CRJ-900 SRM. LEAK CHECK GOOD. REF CRJ-900 AMM. COMPLIED WITH SKYWEST TASK CARD. SEE CONTINUATION CARD FOR DETAILS.