As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
T-CAS DOUBLER CORRODED BETWEEN FS 295.00 AND 310.00 (C-CHECK RO 1/19/2022) REMOVED AND INSTALLED NEW T-CAS DOUBLER REF CRJ 900 SRM 51-42-06-001-001-A01,51-42-21-001-001-A01 AND DRAWING SH670-30023 REV G. / COMPLIED WITH TASK 51-900-1002-SKY