As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 21L INTERCOSTAL BETWEEN FS 310 AND FS 319 HAS EVIDENCE OF CORROSION. C-CHECK RO 1/5/2021. REMOVED AND REPLACED NEW INTERCOSTAL P/N SH670-31822-1 AT STGR 21L BETWEEN FS 310.00-FS 319.00, REF CRJ700 SRM 51-42-06-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD.