As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND INTERCOSTAL BETWEEN FS310 AND 364 AT STRG20 TO BE CORRODED BEYOND ALLOWABLE LIMITS. REPLACEMENT REQUIRED. 3EA. REMOVED AND REPLACED INTERCOSTAL BETWEEN FS 310 AND 364 AT STR 19R THREE INTERCOSTALS IAW CRJ 900 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01 P/N SH670-32047-1,SH670-32004-1, AND SH670-31994-1.