As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F.S. 333 TO F.S. 349 STGR 20L INTERCOSTAL IS CORRODED. (C-CHECK RO 11/28/2021) BLENDED CORROSION ON INTERCOSTAL AT STRINGER 20L BETWEEN FS 333 AND FS 349 IAW CRJ 700 SRM 51-26-06-001-001-A01 AND FOUND TO BE BEYOND ALLOWABLE LIMITS. REPLACED INTERCOSTAL IAW CRJ 700 SRM 51-42-06-001-001-A01, REFERENCE CONTINUE CARD FOR DETAILS OF WORK PERFORMED.