As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR AFT CAP ANGLE (STR 18L) HAS CORROSION (C-CHECK RO 8/18/2021) REMOVED CORROSION, FORUND TO BE OUT OF LIMITS, REMOVED AND REPLACED PAX DOOR SILL AFT CAP ANGLE @ STG 18L FS349. IAW CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-100-1002-SKY. SEE CONTINUATION FOR DETAILS.