As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 22L HAS SEVERAL AREAS OF CORROSION BETWEEN FS333 AND FS349.00 (C-CHECK RO 6/22/2021) REMOVED AND REPLACED CORRODED STR 22L BETWEEN FS333 - FS349. REF CRJ900 SRM 53-00-03-201-001-A02, REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG SH90-31350 REV M. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED.