As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 24R CORRODED BETWEEN FS280.00 AND FS310.00 (C-CHECK RO 9/8/2021) REMOVED AND REPLACED WITH NEW MAIN AVIONICS BAY STR 24R BETWEEN FS280.00 AND FS310.00 REF CRJ-900 SRM 51-42-06-001-001-A01,SRM 51-42-21-001-001-A01 AND DWG# SH670-31630 REV K.COMPLIED WITH 51-900-1002-SKY.PRESSURE LEAK GOOD.