As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-15 CHECK A .125 INCH CRACK WAS FOUND IN AFT EDGE OF R-1 DOOR AT 3RD DOOR STOP FROM BOTTOM BS 312, STR 13 RT. MAINTENANCE STOP DRILLED CRACK IN AFT EDGE OF R-1 DOOR AT 3RD DOOR STOP FROM BOTTOM BS 312, STR 13 RT. PERFORMED HFEC INSPECTION OF STOP DRILL HOLE TO VERIFY CRACK CONTAINED, TREATED REPAIR AREA.