As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 21R BETWEEN F.S.319 TO F.S.333 AND FWD CLIP ARE CORRODED. C/A: REMOVED CORRODED STRINGER 21R AND CLIP BETWEEN F.S.280 TO F.S.333 AND INSTALLED NEW SERVICABLE STRINGER P/N SH670-31636-1 AND CLIP P/N SH670-32605-2 IAW CRJ 900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01.