As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS BAY FS310.00 FWD AND AFT SIDE FRAME CORRODED BETWEEN STGR25L - STGR25R, MARKED (C-CHECK) RO 01/07/2020 BLENDED CORROSION. FOUND TO BE OUT OF LIMITS. INSTALLED NEW LOWER FRAME SECTOR FS310.00 REF CRJ-200 SRM AND BOMBARDIER. COMPLIED WITH TASK CARD.