As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AFT WING TO FUSELAGE FAIRING SUPPORT STRUCTURES LT ANGLE AND RT ANGLE AT FS 939 HAVE MULTIPLE SPOTS OF CORROSION. C-CHECK RO 12/14/2020. REMOVED AND REPLACED WITH NEW LT & RT ANGLES ON THE AFT WING TO FUSELAGE FAIRING SUPPORT STRUCTURES AT FS 939, REF CRJ-700 SRM.