What was found
LOWER TCAS ANTENNA EXTERIOR DOUBLER IS CORRODED. REMOVED LOWER TCAS ANTENNA EXTERIOR DOUBLER, PN 85314193-103, REF SRM 51-42-05-02-01. INSTALLED NEW LOWER TCAS ANTENNA EXTERIOR DOUBLER, PN QX85314193-103, REF SRM 51-42-05-02-01 AND DWG:85310015, REV I. NO PITTING IS ALLOWED IAW SRM 51-21-00 AND NO REPAIRS ALLOWED IAW SRM 53-10-31, EXTERIOR DOUBLER IS OUT OF LIMITS, REPLACE, PN 85314193-103. LOCATED AND DRILLED LOWER TCAS ANTENNA EXTERIOR DOUBLER REF SRM 51-40-07-02-01 AND DWG: 85310015, REV J. FILLET SEALED PERIPHERY OF EXTERIOR DOUBLER REF DWG:85310015, REV J. APPLIED TOP COAT TO LOWER TCAS ANTENNA EXTERIOR DOUBLER REF SRM 51-25-05, PG 206-207, ITEM F1-F4.