As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON STRINGER 24RH IN FS= 333 TO FS= 349 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT. STRINGER 24RH AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT WAS REPAIRED PER CRJ-900 SRM 53-00-03-201-001-A02.