As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL BTW FS=866 TO 861/ STGR 21R AT INTERNAL FUSELAGE STRUCTURE DUE TO EXCESSIVE CORROSION ON INTERCOSTAL BTW FS=866 TO 861/ STGR 21R AT INTERNAL FUSELAGE STRUCTURE WAS REPLACED PER CRJ-900 SRM 51-10-06-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01