As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SUPPORTS (7EAS) LOCATED BTW FS280 TO FS310 AND LBL20'' AND LBL38'', RBL4'', RBL 18'' RBL38" AT FUSELAGE FLOOR STRUCTURE. FLOOR SUPPORTS (7EAS) LOCATED BTW FS280 TO FS310 AND LBL20'' AND LBL38'', RBL4'', RBL 18'' RBL38" AT FUSELAGE FLOOR STRUCTURE WERE FOUND OUT OF LIMITS PER CRJ700 SRM 51-42-21-001-001-A01 THEREFORE WERE REPLACED PER CRJ 700 SRM 51-42-21-001-001-A01.