As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RBL 26 (P/N: CC670-34117-6) STIFFENING ANGLE ON RH FS 280 LWR BULKHEAD WEB FOUND TO BE CRACKED. LOCATED AND DRILLED NEW SERVICEABLE STIFFENING ANGLE PN: CC670-34117-6 IAW CRJ 900 SRM 51-40-11-001-001-A01.INSTALLED NEW STIFFENING ANGLE PN: CC670-34117-6 AT RBL 26 AND FS 280 IAW CRJ 900 SRM 51-42-06-001-001-A01.