What was found
DURING ACCOMPLISHMENT OF AD 88-24-08 INSP PER EO 12-5330-29-B1058I/R, HFEC INDICATES EXTERNAL FUSELAGE SKIN CRACK .100 AT COUNTERSINK FASTENER HOLE COMMON TO FS 639 RT LONG 5 LOWER SHEAR TIE. REMOVED FASTENER, NDT VERIFIED CRACK AT COUNTERSINK. CUT OUT 2 .125 DIAMETER SKIN WERE CRACK WAS FOUND. FABBED FINGER DOUBLER REPAIR OUT OF MIL-T9064LH .032 P NR 1A-33157-1. FABBED, TREATED, AND PRIMED FILLER OUT OF 2024 T3 .050. INSTALLED REPAIR DOUBLER AND FILLER TO A/C FS 639 RT STR 5 IAW DC-9 SRM 51-10-3, 51-30-2, AND 53-04 FIG 38, 51-10-45, AND EO12-5330-29-B1058I/R.