As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON TCAS OMNIDIRECTIONAL ANTENNA DOUBLER BETWEEN FS295 & FS310 AND BETWEEN STGR26L & SGTR26R (C-CHECK RO 7/7/2021) REPLACED TCAS ANTENNA DOUBLER BETWEEN FS 295.00 AND FS310.00 BETWEEN STRINGERS26L AND 26R AS PER CRJ 900 SRM 51-42-06-001-001-A01 AND DWG # SH670-32364 REV A. SEE CONTINUE CARD FOR DETAILS, M337 AND TASK CARD 51-900-1002-SKY COMPLIED WITH. NO LEAKS NOTED.