As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT THE LOWER FWD TCAS ANTENNA, INTERNAL DOUBLER, AROUND DOME NUTS (C-CHECK RO 8/18/2021) INSTALLED NEW LNTERNAL DOUBLER AT THE LOWER FWD TCAS ANTENNA REF CRJ 700 SRM 51-42-06-001-001-A01, CRJ 700 SRM 51-41-02-001-001-A01 AND DWG SH670-32364 REV A. LEAK CHECK GOOD. COMPLIED WITH SKYWEST TACK CARD 51-900-1002-SKY