As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STRINGER 25RT IN STA FS 280 TO FS 327 AT MAIN AVIONICS COMPARTMENT (E/E). CORRECTIVE ACTION: STRINGER 25RT IN STA FS 280 TO FS 327 WAS REPLACED, PER CRJ-900 SRM 51-42-06-001-001-A01 PAR 6C AND CRJ-900 SRM 51-42-21-001-001-A01 PAR 6C.