What was found
UPPER TCAS ANTENNA MOUNTING PLATE HAS EVIDENCE OF CORROSION, UPPER FUSELAGE. REMOVED 7 EA INSULATION BLANKETS UNDER UPPER TCAS ANTENNA TO FOM REF AMM 25-80-01-000-801. INSTALLED 7 EA INSULATION BLANKETS UNDER UPPER TCAS ANTENNA REF AMM 25-80-01-400-801. DISPLACED 1 EA WIRE BUNDLE BY REMOVING BOLT AND SPACER AND CLAMPS 4 EA TO FOM REF SRM 51-41-00 STRUCT IDENT -01. INSTALLED 1 EA BOLT AND SPACER TO SECURE 4 EA CLAMPS TO SECURE 1 EA WIRE BUNDLE REF SRM 51-41-00, PG 1, STEP 3. DRILLED OUT 95 PERCENT OF RIVETS OF UPPER TCAS ANTENNA MOUNTING PLATE REF SRM 51-42-05, REPAIR 01, P.205, STEP 4E. COMPLETED REMOVAL OF UPPER TCAS ANTENNA MOUNTING PLATE REF SRM 51-42-05-02-01, 4E, 1-8. INSTALLED, NEW, UPPER TCAS ANTENNA MOUNTING PLATE IAW SRM 51-42-05, PN 85307805-051. FORM M-184 COMPLIED WITH. REMOVED UPPER TCAS ANTENNA DOUBLER IAW SRM 51-42-05. REPAIR-01, PG 205, STEP 4 E. INSTALLED UPPER TCAS ANTENNA DOUBLER IAW SRM 51-42-05, PN 85307889-101. LOCATED AND DRILLED UPPER TCAS ANTENNA DOUBLER REF SRM 51-40-07, REPAIR-01, PN QX85307889-101. LOCATED AND DRILLED UPPER TCAS ANTENNA MOUNTING PLATE REF SRM 51-40-07, REPAIR-01, PN 85307805-051, PO TX-3262. CONTINUED TO COUNTERSINK UPPER TCAS MOUNTING PLATE IAW SRM 51-40-07, ALL HOLES COMPLIED WITH.