As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER SPLICE 20R AT F.S.477 IS CORRODED. STRINGER 20R SPLICE AT F.S. 477 IS IDENTIFIED AS P/N SH670-33264-1 AND IS HEAVILY CORRODED. NO ALLOWABLE DAMAGE LIMITS PROVIDED IN CRJ-900 SRM. PART REQUIRES REPLACEMENT. INSTALLED NEW STRINGER 20R SPLICE AT F.S. 477 P/N SH670-33264-1, IAW CRJ900 SRM 51-42-06-001-001-A01 & 51-42-21-001-001-A01.