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 SPLICE 26RH AND 25RH AT FRAME FS333 MAIN AVIONICS COMPARTMENT ( E/E ) (TCI 100-09) "SUMMARY: ON NRC. 00170 CORROSION LEVEL 2, STGR SPLICE 26RH AND 25RH AT FRAME FS333 MAIN AVIONICS COMPARTMENT WERE REPLACED PER CRJ-900 SRM51-42-06-001-001-A01