As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON STRINGER 25LH BTW FS280 AND FS295 AT MAIN AVIONICS COMPARMENT.(SM)(E/E)(TCI 53-20-304) SUMMARY OF NRC:00198 CORROSION LEVEL:2 ON STRINGER 25LH BTW FS280 AND FS295 AT MAIN AVIONICS COMPARMENT. STRINGER 25LH WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.