As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVIDENCE OF CORROSION ON LEADING EDGE 630JL INBOARD FRAMEWORK FOR PICCOLO TUBE FLANGE MOUNTING SURFACE. (C-CHECK) RO 1/29/2020 REMOVED DAMAGED RIB P/N 601R12063-22 AND INSTALLED NEW RIB P/N 601R12063-22 TO INBD END OF LEADING EDGE PANEL 630JL AT WS252.87 REF CRJ 200 SRM, FOR COMPLETE DETAILS OF WORK PERFORMED SEE ATTACHED CONTINUATION CARD