As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER/LOWER BONDING PLATES AT AFT SKIN, LH/RH PYLONS. CORROSION ON UPPER/LOWER BONDING PLATES AT AFT SKIN, LH/RH PYLONS WAS EVALUATED WITH EXCESSIVE DAMAGE PER CRJ-900 SRM 53-00-00-101-001-A01 AND UPPER/LOWER BONDING PLATES AT AFT SKIN WERE REPLACED PER EA. CRJ 954-20675. REV. IR. CRJ 954-20676 REV. IR. AND CRJ-900 SRM 51-42-10-001-001-A01