As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME CORRODED ON THE AFT WEB & LOWER FLANGE AND FORWARD WEB FS 349.00 STGR 26L-STGR 25R, MARKED. C-CHECK RO 12/14/2020. REMOVED AND INSTALLED NEW LOWER FRAME SECTOR AT FS 349.00 BETWEEN STGR 24R AND STGR 23L, REF DWG CRJ 700 SRM. COMPLIED WITH TASK CARD. PRESSURE CHECK GOOD.