As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
[IN REFERENCE NRC 0070]: INITIAL INSPECTION: CORROSION ON FRAME FS= 333 BETWEEN STRG 27 TO 26RH AT MAIN AVIONICS COMPARTMENT. (E/E) [TASK 900-53-140-300 APPENDIX A] TCI: 100-09, 100-09E4, 100-09E5 FRAME FS= 333 BETWEEN STRG 27 TO 26RH AT MAIN AVIONICS COMPARTMENT WAS REPAIRED PER CRJ900 SRM 53-00-06-201-004-A01.