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 27 BTW FS=280 / FS=333 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT (SM) (E/E) (TCI:53-20-304). " "SUMMARY OF NRC 00263: DUE CORROSION LEVEL 2 ON STGR 27 BTW FS=280 / FS=333 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT IT WAS REPLACED PER CRJ/900 SRM 51-42-06-001-001-A01 PAR. 6C AND SRM 51-42-21-001-001-A01 PAR. 6C "