As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION AT PAX DOOR INNER STRUCTURE MIDDLE INTERCOSTAL DD2 . (C-CHECK RO 10/4/2021) REMOVED AND REPLACED PAX DOOR MIDDLE INTERCOSTAL DD2 REF CRJ200 SRM 51-42-06, CRJ200 SRM 51-42-21, CRJ200 SRM 51-23-00 AND DWG 601R31902, REV-BK. SEE CONTINUE CARD FOR DETAILS ON WORK PERFORMED. NO LEAKS. COMPLIED WITH ATTACHED TASK 51-900-1003-SKY