What was found
LEFT FUSELAGE GOUGE, DENT 3" X 2.5" X .1250" DEEP BETWEEN BS 1076-1087, STR 20L. DURING CLEAN-UP OF GOUGE NOTICED RIVET SHEARED. REMOVED REMAINING FASTENER. ACCOMPLISHED HFEC IAW NDT/SPM 06-10-01.001, NO CRACK NOTED. ACCOMPLISHED GVI WITH NO VISABLE DAMAGE NOTED. ACCOMPLISHED UT THICKNESS IAW NDT, SPM 04-00-03. INSPECTION OF OPEN HOLE IAW NDT/SPM 06-10-01.003, NO CRACK NOTED. INSTALLED BLIND FASTENER IAW ER/A 547070-14, REV ORIGINAL. ASSOCIATED ER/A 00-547070 ADDED FOR AC 9562.