What was found
MCN - MAJOR REPAIR, DURING C-17 CHECK A .2500 CRACK WAS FOUND AT FASTENER HOLE IN FUSELAGE SKIN AT LOWER FORWARD CORNER OF R-2 DOOR CUTOUT BS 981.8 TO BS 984.8, WL 198. MAINTENANCE STOP DRILLED CRACK AND PERFORMED A HFEC INSPECTION TO VERIFY CRACK WAS CONTAINED; FABRICATED AN INNER, MIDDLE, AND OUTER DOUBLERS; INSTALLED FREEZE PLUG IN STOP DRILL HOLE, INSTALLED DOUBLERS IAW SRM 53-60-01, FIG. 203, AND E.R. 03-5300-04128-HFIA.