As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ANTENNA MOUNT PLATE/DOUBLER BETWEEN STG 26L AND 26R BETWEEN FS 295.00 AND FS 310.00 (MARKED). REMOVED AND REPLACED ANTENNA MOUNT PLATE DOUBLER ASSEMBLY IAW CRJ 700 SRM 51-42-06. INSTALLED LOWER TCAS ANTENNA IAW CRJ 700 MM 34-43-07 SYS OPS CK GOOD.