As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STGR 21R FS 418 TO FS 421. STGR 21R FS 418 TO FS 421 WAS EVALUATE DUE TO EXCESSIVE CORROSION PER CRJ-900 SRM 53-21-03-101-006-A04, THEREFORE WAS REPLACED PER CRJ 900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01, SRM 51-42-10-001-001-A01