As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OMNIDIRECTIONAL TCAS ANTENNA DOUBLER HAS HEAVY CORROSION ON INSIDE SURFACE AROUND CONNECTOR HOLE. MARKED (C-CHECK RO 8/16/2023) INSTALLED NEW MAIN AVIONICS BAY TCAS ANTENNA DOUBLER REF. CRJ 700 SRM 51-42-06-001-001-A01 AND CRJ 700 SRM 51-42-21-001-001-A01 AND DWG SH670-30023 REV G. LEAK CHECK GOOD. OPS CHECK GOOD AT THIS TIME. COMPLIED WITH TASK CARD 51-900-1002-SKY