As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL ATTACHED TO STRINGER 20RH IN STA FS= 349 AT MAIN AVIONICS COMPARTMENT. (E/E) NEW INTERCOSTAL (2EAS) STA.310 AT 319.70 AND 319.70 AT STA.349 WERE INSTALLED PER CRJ-700 SRM 51-42-21-001-001-A01 AND 51-42-06-001-001-A01.