As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON PAX DOOR INTERCOSTAL DD3 BETWEEN FS 320.163 AND 338.963 (C-CHECK RO 5/25/2021) REMOVED PAX DOOR INTERCOSTAL DD3 BETWEEN FS320.163 AND FS338.963 IAW CRJ900 SRM 51-42-06-001-001-A01. INSTALLED NEW PAX DOOR INTERCOSTAL DD3 PN: 601R318056-1 BETWEEN FS320.163 AND FS338.963 IAW CRJ900 SRM 51-42-06-001-001-A01 & DWG 601R31702 REV -N. COMPLIED WITH ST 51-900-1002-SKY. LEAK CHECKED GOOD. (SEE DETAILS ON CONTINUE CARD)