What was found
LOWER TCAS ANTENNA DOUBLER CORRODED, BS 295 - 310. STRINGER 27. REMOVED LOWER TCAS ANTENNA DOUBLER FS 295-310, STR27, REMOVED STR27, DRILLED UP NEW DOUBLER OK TO INSTALL NEW TCAS DOUBLER INSTALLED TCAS DOUBLER INSTALLED STR27 IAW SRM 51-42-06-001-001-A01 DWG SH670-32364. REMOVED TCAS IAW AMM 34-43-07-000-801-A03. REINSTALLED LOWER TCAS ANTENNA IAW AMM 34-43-07-400-801-A01, BOND CHECK GOOD. PERFORMED OPS TEST OF THE TCAS IAW AMM 34-43-00-710-801-A01. OPS CHECKED GOOD.