What was found
FUSELAGE SKIN DAMAGE AT STR20L- STA847-867. REMOVED DAMAGE TO EVALUTE 11.75 L X 5.125 W REMOVED DAMAGE AREA OF THE FUSELAGE SKIN. RECTANGLE WITH THE SIDES PARALLEL AND PERPENDICULAR TO THE STRINGER SRM 53-00-01-2R-36 REPAIR INSTRUCTIONS 4. (C) ADD EMP:U347143 ACCOMPLISHED STEP 1 THROUGH 5 OF AVO 17572. NO OTHER DAMAGED FOUND AT THIS TIME. HFEC REQUIRED AS PER STEP 6,7 AND 8. OF AVO 17572. PERFORMED HFEC FOR SUFACE DEFECTS AND ROTARY HFEC TO EXISTING FASTENER HOLES REF NDTM PART 6 51-00-00 PROCEDURE 4 AND 16 PER AVO017572 HFEC ACCOMPLISHED PER AVO17572 REV. A, NDT PART 6 51-00-00 PROCEDURE 16, NO DEFECTS NOTED. NO ADDITIONAL DAMAGE FOUND. FABRICATED, LOCATED AND DRILLED DOUBLER, TRIPLER, AND FILLER IAW AVO 17572 SECTION 2. STEP 1. (A) THRU (E). TREATED AND PRIMED REPAIR DOUBLER, TRIPLER AND FILLER REF AVO 17572 SECTION 3 STEP 1. VERIFIED PRIMER 2 COATS OK TO INSTALL TRIPLER/DOUBLER/FILLER WORK ACCOMPLISHED PER ECRA 5300-03355.