As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL FROM FS310 TO FS319 AT STRINGER 20R HAS CORROSION LOCATED AND DRILLED INTERCOSTAL PN: SH670-32047-1 AT STRINGER 20R BETWEEN FS 310 TO 319 IAW CRJ 900 SRM 51-40-11-001-001-A01 AND INSTALLED NEW INTERCOSTAL IAW CRJ 900 SRM 51-42-21-001-001-A01