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 FROM FS319.70 TO FS349.00 CORRODED (C-CHECK RO 10/22/2021) REMOVED AND REPLACED MAIN AVIONICS BAY STR 20R INTERCOSTAL FROM FS319.70 TO FS349.00 REF. DRWG SH670-31950 REV. Y, CRJ 900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY