As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"INITIAL INSPECTION: CORROSION ON FRAME FS=295 BTW STGR 25LH / 25RH AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT (SM) (E/E) (TCI:53-20-304). ""SUMMARY: ON NRC. 00264 CORROSION LEVEL 2. FRAME FS=295 BTW STGR 25LH / 25RH WAS REPAIRED PER CRJ-900 EA CRJ953-10345 REV. IR "