As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL LOWER FLANGE IS CORRODED BETWEEN FS394.00 -409.00 & STGR27 - 26R. (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED WITH NEW INTERCOSTAL ASSEMBLY, STGR 27 P/N: SH670-32075-3 ON FS394.00- FS409.00 AT STGR27- STGR26RH PER DWG SH670-32050 REV J. AND REF CRJ900 SRM 51-42-06-001-001-A01, AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.