As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON INTERCOSTAL DD3 MID SECTION OF PAX DOOR FS 320.0 - 340.0 APROX PN (601R318056-1) (C-CHECK RO 12/23/2023) REMOVED AND REPLACED WITH NEW INTERCOSTAL DD3 REF. DWG. 601R31702 REV. N, REF CRJ 700 SRM 51-42-06-001-001-A01 REV 38 JUL 25/2020. COMPLIED WITH ALL STEPS OF TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS