As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERTICAL BEAM AT LBL 18 AT FS 409+128 IS CRACKED AT THE BOTTOM O/B SIDE AGAINST THE PORESSURE BULKHEAD, IN THE FWD ECS COMPARTMENT. (C-CHECK) RO 2/10/2020 PERFORMED CUT- OUT DAMAGE ,FABRICATED AND INSTALLED RAPAIR PARTS IAW CRJ200 BOBARDIER REO.