What was found
CORROSION AROUND FASTENER BS 927+14, BL 0, WL 306.5 ON SKIN UNDER DORSAL FIN. REMOVED THE FASTENER IAW SRM 51-40-02. REMOVED CORROSION AND PERFORMED VISUAL INSPECTION WITH A 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 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 IAW NDTM P4; 51-00-00 PROC 2. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-01-1A-1 FIG D. INSTALLED THE FASTENER WAS ACCOMPLISHED ON EA 21-153-02635-WIP1.