As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STRINGER SPLICE 25RH AT MAIN AVIONICS COMPARTMENT. (E/E) [ TASK 900-53-140-300 APPENDIX A ] TCI: 100-09. STRINGER SPLICE 25RH AT MAIN AVIONICS COMPARTMENT WAS REPLACED PER CRJ-900 S.R.M. 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-20-001-001-A01.