As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DD7A INTERCOSTAL P/N 601R318083-1 HAS CORROSION ON BOTH INNER AND OUTER SKIN ATTACH FLANGES AND VERTICAL LEG (MARKED) (C-CHECK RO 6/22/2021) REMOVED AND REPLACED CORRODED PAX DOOR DD7A INTERCOSTAL.REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG 601R31702 REV N. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED,