As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*MAIN AVIONICS BAY TCAS ANTENNA DOUBLER CORRODED (C-CHECK RO 4/25/2022) REMOVED AND INSTALLED NEW TCAS ANTENNA DOUBLER BETWEEN FS295.00 AND FS310.00 REF CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01 AND DWG: SH670-30023 REV G. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD. SEE CONTINUE CARD FOR DETAILS.