As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"INITIAL INSPECTION: CORROSION ON STGR 18RH BTW FS 280 TO FS 295 AT MAIN AVIONICS COMPARTMENT (SM)M) "SUMMARY: STGR 18RH BTW FS 280 TO FS 295 AT MAIN AVIONICS COMPARTMENTWAS REPLACED FOR A NEW ONE PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 (CORROSION LEVEL 2).