As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SUPPORT FS=281 BETWEEN STGR 25LH TO 25RH AT MAIN AVIONICS COMPARTMENT. FLOOR SUPPORT FS=281 BETWEEN STGR 25LH TO 25RH AT MAIN AVIONICS COMPARTMENT WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01