As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON FLOOR SILL BTW FS280.00 AND 319.70 AT CABIN FLOOR STRUCTURE. FLOOR SILL BTW FS280.00 AND 319.70 WAS EVALUATED OUT OF LIMITS PER CRJ700 SRM 53-00-45-201-001-A01 AND WAS REPLACED PER EA CRJ753-17650 REV A AND CRJ700S SRM 51-42-06-001-001-A01