What was found
CORROSION AROUND FASTENER BS 907+15, BL 0, WL 306.5 ON SKIN UNDER DORSAL FIN. REMOVED THE FASTENER AT DISCREPANCY AREA IAW SRM 51-40-02. REMOVED CORROSION AT DISCREPANCY AREA L=0.5 W= 0.5 PERFORMED VISUAL INSPECTION WITH 10-POWER MAGNIFYING GLASS TO MAKE SURE ALL OF THE CORROSION WAS REMOVED IAW SRM 51-10-02 PARAGRAPH 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 B737 NDTM P6; 51-00-00 PROC 16. NO CRACKS NOTED. UT INSP. IAW NDTM P4; 51-00-00 PROC 2. EVALUATED DAMAGED REMOVAL AND FOUND OUT OF LIMITS IAW SRM 5-00-01-1A-1 FIG 103 DETAIL D. INSTALLED THE FASTENER WAS ACCOMPLISHED ON EA 21-153-02635-WIP1.