As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 25R LONGERON CORRODED BETWEEN FS333.00 AND FS349.00 (C-CHECK RO 10/22/2021) REPLACED MAIN AVIONICS BAY STR 25R LONGERON BETWEEN FS333 AND FS349 REF DWG SH670-32050 REV. J AND CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.