As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL BTW FS349.00 / FS310.00 OVER STGR21LH AT MAIN AVIONICS COMPARTMENT. DUE TO EXCESSIVE DAMAGE ON INTERCOSTAL (2EAS) BTW FS349.00 / FS310.00 OVER STGR21LH AT MAIN AVIONICS COMPARTMENT WERE REPLACED PER CRJ-900 SRM 51-10-06-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-20-001-001-A01