As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON INTERCOSTAL ATTACH FITTING BETWEEN FS280-FS295 RBL18. (C-CHECK RO 10/24/2022) INSTALLED NEW FITTING P/N SH670-32149-3 ON RBL 18 INTERCOSTAL BETWEEN FS280-FS295. REF: DWG SH670-32120, REV: D, CRJ700 SRM 51-42-21-001-001-A01.COMPLIED WITH 51-900-1002-SKY