As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT FS313.56 BETWEEN DD4 AND DD5 HAS MULTIPLE AREAS OF CORROSION (C-CHECK RO 9/8/2021) REMOVED & REPLACED WITH NEW FRAME AT FS313.56 BETWEEN DD4 AND DD5 THAT HAD MULTIPLE AREAS OF CORROSION REF CRJ-900 SRM 51-42-06-001-001-A01 AND BOMBARDIER DWG#601R31702 REV -N.COMPLIED WITH 51-900-1002-SKY. PRESSURE LEAK CHECK GOOD.