What was found
FIVE WORKING RIVETS AT FRAME 78 BETWEEN STRINGERS 5R AND 8R. REMOVED PAINT AT FIVE WORKING RIVETS IAW SRM 51-10-05. PERFORMED FPI TO AFFECTED FASTENERS IAW NDTM INTRODUCTION SECTION D.FIRST HOLE BELOW STRINGER 6 FOUND TO BE CRACKED. REMOVED EXISTING RIVET AND ENLARGED HOLE TO .721 INCH IAW SRM 53-32-01. PERFORMED HFEC INSPECTION OF HOLE CUT OUT IAW NDTM 51-00-00-916-801-A00, NO DEFECTS NOTED. FABRICATED FILLER AND DOUBLER IAW SRM 53-32-01, FIG 204, AND FIG 205. LOCATED, DRILLED, ALODINE, AND PRIMED FILLER AND DOUBLER IAW SRM 53-32-01, CPM 52-21-04, AND 51-21-05. INSTALLED FILLER AND DOUBLER IAW SRM 53-32-01, AND INSTALLED ALL OTHER WORKING RIVETS IAW SRM 51-40-02.