What was found
CORROSION FOUND ON DOUBLER AFT SKIN, ON INBD LT NACELLE AFT FINGERNAIL. REMOVED DOUBLER AFT SKIN, PN:85414310-104 REF SRM 51-42-05. INSTALLED NEW DOUBLER AFT SKIN, PN:85414310-104 ON THE INBD NACELLE AFT FINGERNAIL REF SRM 51-42-05-02-01 4(D) AND SRM 51-42-35-02-01. NO CORROSION IS PERMITTED ON DOUBLER AFT SKIN, PN:85414310-104 REF SRM 54-45-20, PART REPLACEMENT IS REQUIRED. LOCATED AND DRILLED NEW DOUBLER AFT SKIN, PN:85414310-104 ON THE INBD NACELLE AFT FINGERNAIL REF SRM 51-40-07-02-01. COMPLIED WITH FORM M-184.