As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH AFT VERTICAL STABILIZER TO FUSELAGE DRAG ANGLE IS CRACKED. (C-CHECK) RO 3/6/2020 REMOVED DAMAGED ANGLE AND FILLER REF CRJ-900 SRM. FABRICATED NEW PICES REF CRJ-900 SRM. INSTALLED NEW FABRICATED PARTS REF CRJ-900 SRM RESTORED FINISH TO INSTALLED PARTS CRJ-900 SRM. SEE CONTINUATION CARD FOR WORK PERFORMED