As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY FS333.00 FRAME CORRODED BETWEEN STR 26L AND STR 26R (C-CHECK RO 10/22/2021) REPLACED MAIN AVIONICS BAY FS333.00 FRAME, SPLICES, AND CLEATS FROM STR 25L TO STR 25R REF CRJ900 SRM 53-00-06-201-006-A01. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.