As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 20R INTERCOSTAL BETWEEN FS310.00 AND FS319.70 CORRODED (C-CHECK) RO 2/1/2021 REMOVED AND REPLACED MAIN AVIONICS BAY STR 20R INTERCOSTAL BETWEEN FS310.00 AND FS319.70 REF. DRWG SH670-31950 REV. Y AND CRJ 900 SRM 51-42-06-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY