As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT EQUIPMENT BAY RT ACM SUPPORT STRUCTURE PLATE ASSEMBLY AT APPROXIMATELY FS 708.0 AND BL 18 RT HAS CRACKS AT INBOARD AFT MOUNT BOLT. C-CHECK RO 10/13/2020. REPLACED CRACKED PLATE ASSEMBLY ON RT ACM SUPPORT STRUCTURES WITH NEW PN 601R95222-1 PO T- 56457, REF CRJ 200 SRM.