As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A-BAY FLOOR SUPPORT ANGLE ON AFT SIDE OF FS280 CORRODED AS MARKED (C-CHECK RO 5/3/2021) REMOVED AND REPLACED CORRODED A BAY FLOOR SUPPORT ANGLE REF. CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-13-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01.