As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STRINGER SPLICE 24RH IN FS= 327 TO FS= 337 AT INTERNAL STRUCTURE OF MAIN AVIONICS COMPARTMENT. SPLICE 24RH IN FS327 TO FS337 WAS REMOVED AND NEW STRINGER SPLICE 24RH IN FS327 TO FS337 WAS INSTALLED PER CRJ-900 SRM 51-42-06-001-001-A01 PAR. 6C AND SRM 51-42-20-001-001-A01 PAR. 6C.