As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR HIDDEN DAMAGE: DURING REMOVAL FLOOR BEAM FS=280, ANGLE WAS FOUND CRACKED AT STA FS280 LBL26 PAX CABIN (CPAX) (IN REF. NRC 00264) SUMMARY: ON NRC. 00393, ANGLE AT STA FS280 LBL26 PAX CABIN WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-13-001-001-A01