As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERNAL PRODUCTION DOUBLER IN STA:FS=295 TO FS=310 BTW STGR:26LH TO 26 RH. AT MAIN AVIONICS COMPARTMENT ACTION CORRECTIVE REPLACE PER CRJ-900 SRM 51-42-06-001-001-A01. PAR.6.C. PART DEFECT LOCATION: IN STA.FS=295 TO FS=310 BTW STGR 26LH TO 26RH