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 280, ANGLE WAS FOUND CRACKED AT STA FS280 RBL26 PAX CABIN (CPAX) (IN REF. NRC 00263) SUMMARY: ON NRC. 00392, ANGLE AT STA FS280 RBL26 PAX CABIN WAS REPLACED PER CRJ-900 SRM 51-42-06-001 AND SRM 51-42-13-001-001-A01