What was found
LOWER TCAS ANTENNA DOUBLER CORRODED. R & R LOWER TCAS DOUBLER WITH A NEW SERVICEABLE DOUBLER IN REF TO SRM 51-42-06-001-001-A01. REMOVED STRINGER 27 FORWARD OF TCAS BRACKETS, 3EA HILGHTS FROM STRINGER 27 AFT OF BRACKET AND 1EA STRINGER CLEAT TO FOM IN REF TO SRM 51-42-06-001-001-A01. INSTALLED STRINGER 27 FWD OF TCAS DOUBLER IAW SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 AND INSTALLED AFT BRACKET OF TGR 27 AND CLEAT IAW SRM 51-42-06-001-001-A01.