As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL AT STGR26R, FS349 - FS364 FOUND TO BE CORRODED (C-CHECK) RO 5/16/2020 REMOVED CORROSION FROM INTERCOSTAL AND FOUND REWORKED AREA TO BE OUT OF LIMITS. REPLACED INTERCOSTAL AT STGR 26R, FS349 - FS364 REF CRJ-900 SRM, DWG. COMPLIED WITH TASK CARD.