What was found
FUSELAGE SKIN UNDER UPPER ADF ANTENNA AT BL0 BETWEEN FR 28B AND 28C HAS AREAS OF CORROSION. REMOVED CORROSION IAW SRM 51-21-42 REV 77. MEASURED AFFECTED AREA MIN REMAINING THICKNESS .027" REF ATR NTM 51-40-00 REV 34. REMAINING UT THICKNESS IS RECORDED AND MAPPED OF BLENDED AREAS. BLENDED AREAS FOUND TO BE OUT OF LIMITS IAW SRM 53-51-27, FIG 101, ITEM 1, 53-51-00 FIG 301, ITEM 2, REV 77. CUT OUT DAMAGED SKIN. DOUBLER AND SHIMS FABRICATED IAW SRM 53-51-27, FIG 401, REV 77. TREATED AND PRIMED NEW PARTS IAW SRM 53-51-27, REV 77. INSTALLED DOUBLER IAW SRM 53-51-27, FIG 401, REV 77. PAINTED AFFECTED AREA IAW SRM 53-51-27, FIG 401, REV 77.