What was found
CORROSION AROUND FASTENER AT BS 887+12, BL 0, WL 306.5, ON FUSELAGE SKIN UNDER DORSAL FIN. REMOVED THE FASTENER SRM 51-40-02. REMOVED CORROSION AND PERFORMED A VISUAL INSPECTION WITH A 10- POWER MAGNIFYING GLASS IAW SRM 51-10-02 PARA 15 A 6 A. NO ADDITIONAL DAMAGE NOTED. HFEC INSPECTED SKIN BLENDOUT AREA IAW NDTM P6, 51-00-00, PROC 23. NO DISCREPANCIES NOTED. INSPECTED OPEN HOLE IAW NDTM P6, 51-00-00, PROC 16. NO CRACKS NOTED. UT INSPECTED SKIN BLENDOUT AREA IAW NDTM P4, 51-00-00 PROC 16. NO CRACKS NOTED. UT INSPECTED SKIN BLENDOUT AREA IAW B737 NDTM P4; 51-00-00 PROC 2. FOUND OUT OF LIMITS IAW SRM 53-00-01-1A-1 FIG103 DETAIL D.