As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL GOUGED AT APPROX STGR 10R ON THE FWD SIDE OF THE RT EMER DOOR SURROUND STRUCTURE. C-CHECK RO 9/12/2020. REMOVED AND REPLACED THE INTERCOSTAL AT THE EMER SURROUND STRUCTURE STR 10R, REF DRAWING CRJ200 SRM. COMPLIED WITH ST, ALL CHECKS GOOD.