As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"AWR: HIDDEN DAMAGE; AFTER REMOVAL THE FLOOR PANEL SUPPORT ANGLE CORROSION WAS FOUND ON CROSSBEAM FS280 BTW BL0/LBL12 IN REF NRC: 00198 (SM) " "SUMMARY OF NRC 00304: DUE CORROSION LEVEL 2 ON CROSSBEAM FS280 BTW BL0/LBL12 IT WAS REPLACED PER CRJ/900 SRM 51-42-06-001-001-A01, 51-42-13-001-0001-A01 AND 51-42-21-001-001-A01 "