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 CORRODED BETWEEN FS280.00 AND FS295.00 (C CHECK RO 12-31-21) REPLACED MAIN AVIONICS BAY STR 20R BETWEEN FS280.00 AND FS295.00 REF DWG SH670-31630 REV. K, CRJ900 SRM 51-42-06-001-001-A01, AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD.