As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"CORROSION ON FRAME FS364.00 NEAR STGR 27 BEHIND OF SENSOR PX41 AT MAIN AVIONICS COMPARTMENT. FRAME FS364 WAS RE INSPECTED PER CRJ900 NDTM PART 01 51-20-009-210-A01 AND ONLY NUTPLATE BRACKET WAS FOUND WITH CORROSION, WAS FABRICATED PER DWG SH670-32456 REV. NC AND WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01"