public static byte[] sendRepairWindow(int npc) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter(10);

            mplew.writeShort(SendPacketOpcode.OPEN_UI_OPTION.getValue());
            mplew.writeInt(33);
            mplew.writeInt(npc);
            mplew.writeInt(0);//new143


            return mplew.getPacket();
        }