As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND ON AFT SIDE OF CABIN BULKHEAD WEB ON LOWER CORNER BTW 9RBL AND 12RBL APROX ON FS STA 280 | CORRECTIVE ACTION:WEB ON LOWER CORNER BTW 9RBL AND 12RBL APROX ON FS STA 280 WASREPLACED PER CRJ-900 SRM 53-11-10-201-003-A01.