As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FLOOR SUPPORT BTW FS 315 TO FS 345 ON THRESSHOLD AT PASSENGER CABIN CORROSION FLOOR SUPPORT BTW FS 315 TO FS 345 ON THRESSHOLD AT PASSENGER CABIN WAS EVALUATE OUT OFF LIMITS PER CRJ-900 SRM 51-10-06-001-001-A01 AND FLOOR SUPPORT WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-41-02-001-001-A01